diff --git a/bench/asset/asset.go b/bench/asset/asset.go
index afe4f3933..f214a2409 100644
--- a/bench/asset/asset.go
+++ b/bench/asset/asset.go
@@ -89,8 +89,11 @@ var (
 	userItems            map[int64][]int64
 	transactionEvidences map[int64]AppTransactionEvidence
 	keywords             []string
+	imageFiles           []string
 	muItem               sync.RWMutex
 	muUser               sync.RWMutex
+	muImageFile          sync.Mutex
+	indexImageFile       int
 	indexActiveSellerID  int32
 	indexBuyerID         int32
 )
@@ -106,6 +109,7 @@ func Initialize(dataDir string) {
 	childCategories = make([]AppCategory, 0, 50)
 	userItems = make(map[int64][]int64)
 	transactionEvidences = make(map[int64]AppTransactionEvidence)
+	imageFiles = make([]string, 0, 10000)
 
 	f, err := os.Open(filepath.Join(dataDir, "result/users_json.txt"))
 	if err != nil {
@@ -203,8 +207,24 @@ func Initialize(dataDir string) {
 	}
 	f.Close()
 
+	d, err := os.Open(filepath.Join(dataDir, "images"))
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer d.Close()
+
+	files, err := d.Readdir(-1)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, file := range files {
+		imageFiles = append(imageFiles, filepath.Join(dataDir, "images", file.Name()))
+	}
+
 	rand.Shuffle(len(activeSellerIDs), func(i, j int) { activeSellerIDs[i], activeSellerIDs[j] = activeSellerIDs[j], activeSellerIDs[i] })
 	rand.Shuffle(len(buyerIDs), func(i, j int) { buyerIDs[i], buyerIDs[j] = buyerIDs[j], buyerIDs[i] })
+	rand.Shuffle(len(imageFiles), func(i, j int) { imageFiles[i], imageFiles[j] = imageFiles[j], imageFiles[i] })
 }
 
 func (u1 *AppUser) Equal(u2 *AppUser) bool {
@@ -309,6 +329,19 @@ func SetItemCreatedAt(sellerID int64, itemID int64, createdAt int64) {
 	items[key] = item
 }
 
+func GetRandomImageFileName() string {
+	muImageFile.Lock()
+	defer muImageFile.Unlock()
+
+	indexImageFile--
+
+	if indexImageFile < 0 {
+		indexImageFile = len(imageFiles) - 1
+	}
+
+	return imageFiles[indexImageFile]
+}
+
 func GetRandomRootCategory() AppCategory {
 	return rootCategories[rand.Intn(len(rootCategories))]
 }
diff --git a/bench/scenario/action.go b/bench/scenario/action.go
index 9c0b22d6d..2f940330a 100644
--- a/bench/scenario/action.go
+++ b/bench/scenario/action.go
@@ -60,9 +60,9 @@ func loginedSession(ctx context.Context, user1 asset.AppUser) (*session.Session,
 }
 
 func sell(ctx context.Context, s1 *session.Session, price int) (int64, error) {
-	name, description, categoryID := asset.GenText(8, false), asset.GenText(200, true), 32
+	fileName, name, description, categoryID := asset.GetRandomImageFileName(), asset.GenText(8, false), asset.GenText(200, true), 32
 
-	targetItemID, err := s1.Sell(ctx, name, price, description, categoryID)
+	targetItemID, err := s1.Sell(ctx, fileName, name, price, description, categoryID)
 	if err != nil {
 		return 0, err
 	}
diff --git a/bench/scenario/wrong.go b/bench/scenario/wrong.go
index b25aca2cd..e26340f06 100644
--- a/bench/scenario/wrong.go
+++ b/bench/scenario/wrong.go
@@ -27,22 +27,22 @@ func irregularLoginWrongPassword(ctx context.Context, user1 asset.AppUser) error
 }
 
 func irregularSellAndBuy(ctx context.Context, s1, s2 *session.Session, user3 asset.AppUser) error {
-	name, description := asset.GenText(8, false), asset.GenText(200, true)
+	fileName, name, description := asset.GetRandomImageFileName(), asset.GenText(8, false), asset.GenText(200, true)
 
 	price := priceStoreCache.Get()
 
-	err := s1.SellWithWrongCSRFToken(ctx, name, price, description, 32)
+	err := s1.SellWithWrongCSRFToken(ctx, fileName, name, price, description, 32)
 	if err != nil {
 		return err
 	}
 
 	// 変な値段で買えない
-	err = s1.SellWithWrongPrice(ctx, name, session.ItemMinPrice-1, description, 32)
+	err = s1.SellWithWrongPrice(ctx, fileName, name, session.ItemMinPrice-1, description, 32)
 	if err != nil {
 		return err
 	}
 
-	err = s1.SellWithWrongPrice(ctx, name, session.ItemMaxPrice+1, description, 32)
+	err = s1.SellWithWrongPrice(ctx, fileName, name, session.ItemMaxPrice+1, description, 32)
 	if err != nil {
 		return err
 	}
diff --git a/bench/session/webapp.go b/bench/session/webapp.go
index 143b4e159..91c4f6f22 100644
--- a/bench/session/webapp.go
+++ b/bench/session/webapp.go
@@ -311,8 +311,8 @@ func (s *Session) SetSettings(ctx context.Context) error {
 	return nil
 }
 
-func (s *Session) Sell(ctx context.Context, name string, price int, description string, categoryID int) (int64, error) {
-	file, err := os.Open("webapp/public/upload/sample.jpg")
+func (s *Session) Sell(ctx context.Context, fileName, name string, price int, description string, categoryID int) (int64, error) {
+	file, err := os.Open(fileName)
 	if err != nil {
 		return 0, failure.Wrap(err, failure.Message("POST /sell: 画像のOpenに失敗しました"))
 	}
@@ -320,7 +320,7 @@ func (s *Session) Sell(ctx context.Context, name string, price int, description
 
 	body := &bytes.Buffer{}
 	writer := multipart.NewWriter(body)
-	part, err := writer.CreateFormFile("image", "sample.jpg")
+	part, err := writer.CreateFormFile("image", "upload.jpg")
 	if err != nil {
 		return 0, failure.Wrap(err, failure.Message("POST /sell: リクエストに失敗しました"))
 	}
diff --git a/bench/session/wrongapp.go b/bench/session/wrongapp.go
index b320642d9..0cccbebce 100644
--- a/bench/session/wrongapp.go
+++ b/bench/session/wrongapp.go
@@ -66,8 +66,8 @@ func (s *Session) LoginWithWrongPassword(ctx context.Context, accountName, passw
 	return nil
 }
 
-func (s *Session) SellWithWrongCSRFToken(ctx context.Context, name string, price int, description string, categoryID int) error {
-	file, err := os.Open("webapp/public/upload/sample.jpg")
+func (s *Session) SellWithWrongCSRFToken(ctx context.Context, fileName, name string, price int, description string, categoryID int) error {
+	file, err := os.Open(fileName)
 	if err != nil {
 		return failure.Wrap(err, failure.Message("POST /sell: 画像のOpenに失敗しました"))
 	}
@@ -75,7 +75,7 @@ func (s *Session) SellWithWrongCSRFToken(ctx context.Context, name string, price
 
 	body := &bytes.Buffer{}
 	writer := multipart.NewWriter(body)
-	part, err := writer.CreateFormFile("image", "sample.jpg")
+	part, err := writer.CreateFormFile("image", "upload.jpg")
 	if err != nil {
 		return failure.Wrap(err, failure.Message("POST /sell: リクエストに失敗しました"))
 	}
@@ -125,8 +125,8 @@ func (s *Session) SellWithWrongCSRFToken(ctx context.Context, name string, price
 	return nil
 }
 
-func (s *Session) SellWithWrongPrice(ctx context.Context, name string, price int, description string, categoryID int) error {
-	file, err := os.Open("webapp/public/upload/sample.jpg")
+func (s *Session) SellWithWrongPrice(ctx context.Context, fileName, name string, price int, description string, categoryID int) error {
+	file, err := os.Open(fileName)
 	if err != nil {
 		return failure.Wrap(err, failure.Message("POST /sell: 画像のOpenに失敗しました"))
 	}
@@ -134,7 +134,7 @@ func (s *Session) SellWithWrongPrice(ctx context.Context, name string, price int
 
 	body := &bytes.Buffer{}
 	writer := multipart.NewWriter(body)
-	part, err := writer.CreateFormFile("image", "sample.jpg")
+	part, err := writer.CreateFormFile("image", "upload.jpg")
 	if err != nil {
 		return failure.Wrap(err, failure.Message("POST /sell: リクエストに失敗しました"))
 	}
diff --git a/initial-data/.gitignore b/initial-data/.gitignore
index e9d7e6de2..6cb4dd996 100644
--- a/initial-data/.gitignore
+++ b/initial-data/.gitignore
@@ -1,3 +1,4 @@
 result/*.sql
 result/*.txt
 !result/category_json.txt
+images/
diff --git a/initial-data/images/sample.jpg b/initial-data/images/sample.jpg
new file mode 100644
index 000000000..96a8d43c7
Binary files /dev/null and b/initial-data/images/sample.jpg differ