diff --git a/package.json b/package.json
index a8d3514..902f84e 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,8 @@
     "format": "prettier --write .",
     "format:check": "prettier --check .",
     "test": "bun test",
-    "typecheck": "tsc --noEmit"
+    "typecheck": "tsc --noEmit",
+    "generate-example": "bun run src/scripts/generate-example-data.ts"
   },
   "dependencies": {
     "@google/genai": "^1.40.0",
diff --git a/src/index.ts b/src/index.ts
index 03a6da7..424759a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,6 +14,9 @@ import outfit from './api/outfit'
 import pose from './api/pose'
 import restore from './api/restore'
 import setting from './api/setting'
+import { prisma } from './db'
+import { exampleDataService } from './service/example-data'
+import { settingService } from './service/setting'
 import index from './ui/index.html'
 
 // Ensure data directories exist
@@ -62,6 +65,22 @@ if (process.env.NODE_ENV === 'production') {
 // Export type for RPC
 export type AppType = typeof route
 
+// Check and seed example data
+const initialized = await settingService.get('system_initialized')
+if (!initialized) {
+  try {
+    const hasData = (await prisma.character.count()) > 0
+    if (!hasData) {
+      console.log('🌱 Seeding example data...')
+      await exampleDataService.import()
+      console.log('✅ Example data seeded')
+    }
+    await settingService.set('system_initialized', 'true')
+  } catch (error) {
+    console.error('Failed to seed example data:', error)
+  }
+}
+
 // Serve the frontend
 const server = Bun.serve({
   port: 3000,
diff --git a/src/scripts/generate-example-data.ts b/src/scripts/generate-example-data.ts
new file mode 100644
index 0000000..f4cb898
--- /dev/null
+++ b/src/scripts/generate-example-data.ts
@@ -0,0 +1,17 @@
+import { exampleDataService } from '../service/example-data'
+import { prisma } from '../db'
+
+async function main() {
+  console.log('Starting example data generation...')
+  try {
+    await exampleDataService.export()
+    console.log('Example data generation completed successfully.')
+  } catch (error) {
+    console.error('Error generating example data:', error)
+    process.exit(1)
+  } finally {
+    await prisma.$disconnect()
+  }
+}
+
+main()
diff --git a/src/service/example-data.test.ts b/src/service/example-data.test.ts
new file mode 100644
index 0000000..a7d3d61
--- /dev/null
+++ b/src/service/example-data.test.ts
@@ -0,0 +1,300 @@
+import { describe, it, expect, mock, beforeEach } from 'bun:test'
+
+// 1. Mock node:fs for mkdirSync and existsSync
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+const mockExistsSync = mock((path: string) => false)
+const mockMkdirSync = mock(() => undefined)
+
+mock.module('node:fs', () => ({
+  existsSync: mockExistsSync,
+  mkdirSync: mockMkdirSync,
+}))
+
+// 2. Mock Bun globals
+const mockBunWrite = mock(() => Promise.resolve(0))
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+const mockBunFile = mock((path: string) => ({
+  exists: mock(() => Promise.resolve(false)),
+  // @ts-ignore
+  json: mock(() => Promise.resolve([])),
+  arrayBuffer: mock(() => Promise.resolve(new ArrayBuffer(0))),
+  text: mock(() => Promise.resolve('')),
+}))
+
+// @ts-ignore
+global.Bun.write = mockBunWrite
+// @ts-ignore
+global.Bun.file = mockBunFile
+
+// Mock prisma client
+const mockPrisma = {
+  character: {
+    // @ts-ignore
+    findMany: mock(() => Promise.resolve([])),
+    // @ts-ignore
+    create: mock(() => Promise.resolve({})),
+    // @ts-ignore
+    findUnique: mock(() => Promise.resolve({})),
+  },
+  equipment: {
+    // @ts-ignore
+    findMany: mock(() => Promise.resolve([])),
+    // @ts-ignore
+    create: mock(() => Promise.resolve({})),
+  },
+  pose: {
+    // @ts-ignore
+    findMany: mock(() => Promise.resolve([])),
+    // @ts-ignore
+    create: mock(() => Promise.resolve({})),
+  },
+  expression: {
+    // @ts-ignore
+    findMany: mock(() => Promise.resolve([])),
+    // @ts-ignore
+    create: mock(() => Promise.resolve({})),
+  },
+  generation: {
+    // @ts-ignore
+    findMany: mock(() => Promise.resolve([])),
+    // @ts-ignore
+    create: mock(() => Promise.resolve({})),
+  },
+  // @ts-ignore
+  asset: { create: mock(() => Promise.resolve({ id: 'mock-asset-id' })) },
+  // @ts-ignore
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  $transaction: mock((cb: any) => cb(mockPrisma)),
+}
+
+mock.module('../db', () => ({
+  prisma: mockPrisma,
+}))
+
+// Mock asset service
+const mockAssetService = {
+  createAssetFromBuffer: mock(() => Promise.resolve({ id: 'new-asset-id', path: 'new-path.webp' })),
+}
+
+mock.module('./asset', () => ({
+  assetService: mockAssetService,
+}))
+
+// Import the service to test
+import { exampleDataService } from './example-data'
+
+describe('ExampleDataService', () => {
+  beforeEach(() => {
+    // Reset mocks before each test
+    mockExistsSync.mockClear()
+    mockMkdirSync.mockClear()
+    mockBunWrite.mockClear()
+    mockBunFile.mockClear()
+
+    mockPrisma.character.findMany.mockClear()
+    mockPrisma.equipment.findMany.mockClear()
+    mockPrisma.pose.findMany.mockClear()
+    mockPrisma.expression.findMany.mockClear()
+    mockPrisma.generation.findMany.mockClear()
+
+    mockPrisma.character.create.mockClear()
+    mockPrisma.character.findUnique.mockClear()
+    mockPrisma.equipment.create.mockClear()
+    mockPrisma.pose.create.mockClear()
+    mockPrisma.expression.create.mockClear()
+    mockPrisma.generation.create.mockClear()
+
+    mockAssetService.createAssetFromBuffer.mockClear()
+  })
+
+  describe('export', () => {
+    it('should export all data types to JSON files', async () => {
+      // Setup mock return values for findMany
+      // @ts-ignore
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      mockPrisma.character.findMany.mockResolvedValue([
+        {
+          id: 'c1',
+          name: 'Char 1',
+          description: 'Desc 1',
+          image: { name: 'img1.png', type: 'image/png', path: 'img1.webp' },
+        },
+      ] as any)
+      // @ts-ignore
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      mockPrisma.equipment.findMany.mockResolvedValue([
+        {
+          id: 'e1',
+          name: 'Eq 1',
+          description: 'Desc E1',
+          category: 'Cat1',
+          subCategory: null,
+          image: { name: 'imgE1.png', type: 'image/png', path: 'imgE1.webp' },
+        },
+      ] as any)
+      // @ts-ignore
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      mockPrisma.pose.findMany.mockResolvedValue([
+        {
+          id: 'p1',
+          name: 'Pose 1',
+          image: { name: 'imgP1.png', type: 'image/png', path: 'imgP1.webp' },
+        },
+      ] as any)
+      // @ts-ignore
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      mockPrisma.expression.findMany.mockResolvedValue([
+        {
+          id: 'ex1',
+          name: 'Expr 1',
+          image: { name: 'imgEx1.png', type: 'image/png', path: 'imgEx1.webp' },
+        },
+      ] as any)
+      // @ts-ignore
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      mockPrisma.generation.findMany.mockResolvedValue([
+        {
+          id: 'g1',
+          characterId: 'c1',
+          userPrompt: 'prompt',
+          pose: 'pose',
+          expression: 'expr',
+          image: { name: 'imgG1.png', type: 'image/png', path: 'imgG1.webp' },
+          equipments: [{ equipmentId: 'e1' }],
+        },
+      ] as any)
+
+      // Mock Bun.file to exist so copyAsset works
+      // @ts-ignore
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      mockBunFile.mockImplementation((path: string) => ({
+        exists: mock(() => Promise.resolve(path.startsWith('data/files'))),
+        json: mock(() => Promise.resolve([])),
+        arrayBuffer: mock(() => Promise.resolve(new ArrayBuffer(0))),
+        text: mock(() => Promise.resolve('')),
+      }))
+
+      await exampleDataService.export()
+
+      // Verify directories created
+      expect(mockMkdirSync).toHaveBeenCalledTimes(2) // example-data and example-data/assets
+
+      // Verify data fetching
+      expect(mockPrisma.character.findMany).toHaveBeenCalled()
+      expect(mockPrisma.equipment.findMany).toHaveBeenCalled()
+      expect(mockPrisma.pose.findMany).toHaveBeenCalled()
+      expect(mockPrisma.expression.findMany).toHaveBeenCalled()
+      expect(mockPrisma.generation.findMany).toHaveBeenCalled()
+
+      // Verify JSON writing
+      // 5 JSON files + 5 Asset copies = 10 calls to Bun.write
+      expect(mockBunWrite).toHaveBeenCalledTimes(10)
+
+      const calls = mockBunWrite.mock.calls
+      // @ts-ignore
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      const writtenPaths = calls.map((c: any) => c[0])
+      expect(writtenPaths).toContain('example-data/characters.json')
+      expect(writtenPaths).toContain('example-data/equipments.json')
+      expect(writtenPaths).toContain('example-data/poses.json')
+      expect(writtenPaths).toContain('example-data/expressions.json')
+      expect(writtenPaths).toContain('example-data/looks.json')
+    })
+  })
+
+  describe('import', () => {
+    it('should import data from JSON files', async () => {
+      // Mock directory existence
+      mockExistsSync.mockReturnValue(true)
+
+      // Mock Bun.file for reading JSONs
+      // @ts-ignore
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      mockBunFile.mockImplementation((path: string) => {
+        const mockExists = mock(() => Promise.resolve(true))
+        const mockJson = mock(() => {
+          if (path.includes('characters.json'))
+            return Promise.resolve([
+              {
+                id: 'c1',
+                name: 'Char 1',
+                description: 'Desc 1',
+                asset: { name: 'img1', type: 'image/png', path: 'img1.webp' },
+              },
+            ])
+          if (path.includes('equipments.json'))
+            return Promise.resolve([
+              {
+                id: 'e1',
+                name: 'Eq 1',
+                description: 'Desc E1',
+                category: 'Cat1',
+                subCategory: null,
+                asset: { name: 'imgE1', type: 'image/png', path: 'imgE1.webp' },
+              },
+            ])
+          if (path.includes('poses.json'))
+            return Promise.resolve([
+              {
+                id: 'p1',
+                name: 'Pose 1',
+                asset: { name: 'imgP1', type: 'image/png', path: 'imgP1.webp' },
+              },
+            ])
+          if (path.includes('expressions.json'))
+            return Promise.resolve([
+              {
+                id: 'ex1',
+                name: 'Expr 1',
+                asset: { name: 'imgEx1', type: 'image/png', path: 'imgEx1.webp' },
+              },
+            ])
+          if (path.includes('looks.json'))
+            return Promise.resolve([
+              {
+                id: 'g1',
+                characterId: 'c1',
+                userPrompt: 'prompt',
+                pose: 'pose',
+                expression: 'expr',
+                asset: { name: 'imgG1', type: 'image/png', path: 'imgG1.webp' },
+                equipmentIds: ['e1'],
+              },
+            ])
+          return Promise.resolve([])
+        })
+        const mockArrayBuffer = mock(() => Promise.resolve(new ArrayBuffer(10)))
+
+        return {
+          exists: mockExists,
+          // @ts-ignore
+          json: mockJson,
+          arrayBuffer: mockArrayBuffer,
+          text: mock(() => Promise.resolve('')),
+        }
+      })
+
+      // Mock Prisma finds needed for validation
+      // @ts-ignore
+      mockPrisma.character.findUnique.mockResolvedValue({ id: 'c1' })
+
+      await exampleDataService.import()
+
+      // Verify asset creation (5 assets)
+      expect(mockAssetService.createAssetFromBuffer).toHaveBeenCalledTimes(5)
+
+      // Verify DB creation
+      expect(mockPrisma.character.create).toHaveBeenCalledTimes(1)
+      expect(mockPrisma.equipment.create).toHaveBeenCalledTimes(1)
+      expect(mockPrisma.pose.create).toHaveBeenCalledTimes(1)
+      expect(mockPrisma.expression.create).toHaveBeenCalledTimes(1)
+      expect(mockPrisma.generation.create).toHaveBeenCalledTimes(1)
+    })
+
+    it('should skip import if example data folder does not exist', async () => {
+      mockExistsSync.mockReturnValue(false)
+      await exampleDataService.import()
+      expect(mockBunFile).not.toHaveBeenCalled()
+    })
+  })
+})
diff --git a/src/service/example-data.ts b/src/service/example-data.ts
new file mode 100644
index 0000000..1595fd7
--- /dev/null
+++ b/src/service/example-data.ts
@@ -0,0 +1,314 @@
+import { existsSync, mkdirSync } from 'node:fs'
+import { join } from 'node:path'
+import { prisma } from '../db'
+import { assetService } from './asset'
+
+interface AssetData {
+  name: string
+  type: string
+  path: string // filename in example-data/assets
+}
+
+interface CharacterData {
+  id: string
+  name: string
+  description: string | null
+  asset: AssetData
+}
+
+interface EquipmentData {
+  id: string
+  name: string
+  description: string
+  category: string
+  subCategory: string | null
+  asset: AssetData
+}
+
+interface PoseData {
+  id: string
+  name: string
+  asset: AssetData
+}
+
+interface ExpressionData {
+  id: string
+  name: string
+  asset: AssetData
+}
+
+interface GenerationData {
+  id: string
+  characterId: string
+  userPrompt: string | null
+  pose: string | null
+  expression: string | null
+  asset: AssetData
+  equipmentIds: string[]
+}
+
+export class ExampleDataService {
+  private baseDir = 'example-data'
+  private assetsDir = join(this.baseDir, 'assets')
+
+  constructor() {
+    // ensure base directories exist on instantiation (or method call)
+  }
+
+  private ensureDirs() {
+    if (!existsSync(this.baseDir)) {
+      mkdirSync(this.baseDir)
+    }
+    if (!existsSync(this.assetsDir)) {
+      mkdirSync(this.assetsDir)
+    }
+  }
+
+  async export() {
+    this.ensureDirs()
+
+    // 1. Characters
+    const characters = await prisma.character.findMany({ include: { image: true } })
+    const characterData: CharacterData[] = []
+    for (const c of characters) {
+      await this.copyAsset(c.image.path)
+      characterData.push({
+        id: c.id,
+        name: c.name,
+        description: c.description,
+        asset: {
+          name: c.image.name,
+          type: c.image.type,
+          path: c.image.path,
+        },
+      })
+    }
+    await Bun.write(join(this.baseDir, 'characters.json'), JSON.stringify(characterData, null, 2))
+
+    // 2. Equipments
+    const equipments = await prisma.equipment.findMany({ include: { image: true } })
+    const equipmentData: EquipmentData[] = []
+    for (const e of equipments) {
+      await this.copyAsset(e.image.path)
+      equipmentData.push({
+        id: e.id,
+        name: e.name,
+        description: e.description,
+        category: e.category,
+        subCategory: e.subCategory,
+        asset: {
+          name: e.image.name,
+          type: e.image.type,
+          path: e.image.path,
+        },
+      })
+    }
+    await Bun.write(join(this.baseDir, 'equipments.json'), JSON.stringify(equipmentData, null, 2))
+
+    // 3. Poses
+    const poses = await prisma.pose.findMany({ include: { image: true } })
+    const poseData: PoseData[] = []
+    for (const p of poses) {
+      await this.copyAsset(p.image.path)
+      poseData.push({
+        id: p.id,
+        name: p.name,
+        asset: {
+          name: p.image.name,
+          type: p.image.type,
+          path: p.image.path,
+        },
+      })
+    }
+    await Bun.write(join(this.baseDir, 'poses.json'), JSON.stringify(poseData, null, 2))
+
+    // 4. Expressions
+    const expressions = await prisma.expression.findMany({ include: { image: true } })
+    const expressionData: ExpressionData[] = []
+    for (const e of expressions) {
+      await this.copyAsset(e.image.path)
+      expressionData.push({
+        id: e.id,
+        name: e.name,
+        asset: {
+          name: e.image.name,
+          type: e.image.type,
+          path: e.image.path,
+        },
+      })
+    }
+    await Bun.write(join(this.baseDir, 'expressions.json'), JSON.stringify(expressionData, null, 2))
+
+    // 5. Generations (Looks)
+    const generations = await prisma.generation.findMany({
+      include: {
+        image: true,
+        equipments: true,
+      },
+    })
+    const generationData: GenerationData[] = []
+    for (const g of generations) {
+      await this.copyAsset(g.image.path)
+      generationData.push({
+        id: g.id,
+        characterId: g.characterId,
+        userPrompt: g.userPrompt,
+        pose: g.pose,
+        expression: g.expression,
+        asset: {
+          name: g.image.name,
+          type: g.image.type,
+          path: g.image.path,
+        },
+        equipmentIds: g.equipments.map((e) => e.equipmentId),
+      })
+    }
+    await Bun.write(join(this.baseDir, 'looks.json'), JSON.stringify(generationData, null, 2))
+
+    console.log(`Exported ${characters.length} characters`)
+    console.log(`Exported ${equipments.length} equipments`)
+    console.log(`Exported ${poses.length} poses`)
+    console.log(`Exported ${expressions.length} expressions`)
+    console.log(`Exported ${generations.length} looks`)
+  }
+
+  async import() {
+    if (!existsSync(this.baseDir)) {
+      console.log('No example data found, skipping import.')
+      return
+    }
+
+    // 1. Characters
+    const charFile = Bun.file(join(this.baseDir, 'characters.json'))
+    if (await charFile.exists()) {
+      const data: CharacterData[] = await charFile.json()
+      for (const item of data) {
+        const asset = await this.createAssetFromExample(item.asset)
+        await prisma.character.create({
+          data: {
+            id: item.id,
+            name: item.name,
+            description: item.description,
+            imageId: asset.id,
+          },
+        })
+      }
+      console.log(`Imported ${data.length} characters`)
+    }
+
+    // 2. Equipments
+    const equipFile = Bun.file(join(this.baseDir, 'equipments.json'))
+    if (await equipFile.exists()) {
+      const data: EquipmentData[] = await equipFile.json()
+      for (const item of data) {
+        const asset = await this.createAssetFromExample(item.asset)
+        await prisma.equipment.create({
+          data: {
+            id: item.id,
+            name: item.name,
+            description: item.description,
+            category: item.category,
+            subCategory: item.subCategory,
+            imageId: asset.id,
+          },
+        })
+      }
+      console.log(`Imported ${data.length} equipments`)
+    }
+
+    // 3. Poses
+    const poseFile = Bun.file(join(this.baseDir, 'poses.json'))
+    if (await poseFile.exists()) {
+      const data: PoseData[] = await poseFile.json()
+      for (const item of data) {
+        const asset = await this.createAssetFromExample(item.asset)
+        await prisma.pose.create({
+          data: {
+            id: item.id,
+            name: item.name,
+            imageId: asset.id,
+          },
+        })
+      }
+      console.log(`Imported ${data.length} poses`)
+    }
+
+    // 4. Expressions
+    const exprFile = Bun.file(join(this.baseDir, 'expressions.json'))
+    if (await exprFile.exists()) {
+      const data: ExpressionData[] = await exprFile.json()
+      for (const item of data) {
+        const asset = await this.createAssetFromExample(item.asset)
+        await prisma.expression.create({
+          data: {
+            id: item.id,
+            name: item.name,
+            imageId: asset.id,
+          },
+        })
+      }
+      console.log(`Imported ${data.length} expressions`)
+    }
+
+    // 5. Generations (Looks)
+    const lookFile = Bun.file(join(this.baseDir, 'looks.json'))
+    if (await lookFile.exists()) {
+      const data: GenerationData[] = await lookFile.json()
+      for (const item of data) {
+        // Ensure character exists
+        const characterExists = await prisma.character.findUnique({
+          where: { id: item.characterId },
+        })
+        if (!characterExists) {
+          console.warn(`Skipping look ${item.id}: Character ${item.characterId} not found`)
+          continue
+        }
+
+        const asset = await this.createAssetFromExample(item.asset)
+        await prisma.generation.create({
+          data: {
+            id: item.id,
+            characterId: item.characterId,
+            userPrompt: item.userPrompt,
+            pose: item.pose,
+            expression: item.expression,
+            imageId: asset.id,
+            equipments: {
+              create: item.equipmentIds.map((id) => ({
+                equipment: { connect: { id } },
+              })),
+            },
+          },
+        })
+      }
+      console.log(`Imported ${data.length} looks`)
+    }
+  }
+
+  private async copyAsset(filename: string) {
+    const src = join('data/files', filename)
+    const dest = join(this.assetsDir, filename)
+    const file = Bun.file(src)
+    if (await file.exists()) {
+      await Bun.write(dest, file)
+    } else {
+      console.warn(`Asset file not found: ${src}`)
+    }
+  }
+
+  private async createAssetFromExample(assetData: AssetData) {
+    const filePath = join(this.assetsDir, assetData.path)
+    const file = Bun.file(filePath)
+    if (!(await file.exists())) {
+      throw new Error(`Example asset file not found: ${filePath}`)
+    }
+    const buffer = await file.arrayBuffer()
+    // We use createAssetFromBuffer which handles saving to data/files and DB creation
+    return assetService.createAssetFromBuffer(buffer, {
+      name: assetData.name,
+      type: assetData.type,
+    })
+  }
+}
+
+export const exampleDataService = new ExampleDataService()