diff --git a/app/src/main/java/com/example/curation_train_app/AiReply.kt b/app/src/main/java/com/example/curation_train_app/AiReply.kt
new file mode 100644
index 0000000..f8628e1
--- /dev/null
+++ b/app/src/main/java/com/example/curation_train_app/AiReply.kt
@@ -0,0 +1,6 @@
+package com.example.curation_train_app
+
+data class AiReply(
+    val text: String,
+    val emotion: EmotionType
+)
diff --git a/app/src/main/java/com/example/curation_train_app/AiReplyParser.kt b/app/src/main/java/com/example/curation_train_app/AiReplyParser.kt
new file mode 100644
index 0000000..5042414
--- /dev/null
+++ b/app/src/main/java/com/example/curation_train_app/AiReplyParser.kt
@@ -0,0 +1,24 @@
+package com.example.curation_train_app
+
+import org.json.JSONObject
+
+object AiReplyParser {
+
+    fun parse(json: String): AiReply {
+        return try {
+
+            val obj = JSONObject(json)
+
+            // GPT から返ってくるのは「text」だけ
+            val text = obj.optString("text", "(解析エラー)")
+
+            // emotion は入っていないため、常に NORMAL を返す
+            val emotion = EmotionType.NORMAL
+
+            AiReply(text, emotion)
+
+        } catch (e: Exception) {
+            AiReply("(JSON解析エラー)", EmotionType.NORMAL)
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/curation_train_app/CharacterReplyManager.kt b/app/src/main/java/com/example/curation_train_app/CharacterReplyManager.kt
index 88378f6..c934e60 100644
--- a/app/src/main/java/com/example/curation_train_app/CharacterReplyManager.kt
+++ b/app/src/main/java/com/example/curation_train_app/CharacterReplyManager.kt
@@ -25,15 +25,19 @@ class CharacterReplyManager {
             ?: return "キャラが見つかりません。"
         return responder.respond(info, type)
     }
-    fun replyWithAI(characterId: String, info: String, type: InfoType): String {
-        val character = CharacterProfiles.getProfile(characterId)
-            ?: return "（エラー：キャラが不明です）"
 
+    fun replyWithAI(characterId: String, info: String, type: InfoType): AiReply {
+        val character = CharacterProfiles.getProfile(characterId)
+            ?: return AiReply("（エラー：キャラが不明です）", EmotionType.NORMAL)
 
         val prompt = PromptBuilder.buildPrompt(character, info, type)
 
-        val ai = AiClient(API_KEY)
-        return ai.requestCharacterReply(prompt)
+        val ai = AiClient(apiKey = API_KEY)
+        val raw = ai.requestCharacterReply(prompt)
+
+        // JSON パース
+        return AiReplyParser.parse(raw)
     }
 
+
 }
diff --git a/app/src/main/java/com/example/curation_train_app/MainActivity.kt b/app/src/main/java/com/example/curation_train_app/MainActivity.kt
index 5978c37..dc0999b 100644
--- a/app/src/main/java/com/example/curation_train_app/MainActivity.kt
+++ b/app/src/main/java/com/example/curation_train_app/MainActivity.kt
@@ -43,6 +43,7 @@ class MainActivity : ComponentActivity() {
         val inputText = findViewById<EditText>(R.id.inputText)
         val inputCharacter = findViewById<EditText>(R.id.inputCharacter)
         val textResult = findViewById<TextView>(R.id.textTestResult)
+        val commentView = findViewById<TextView>(R.id.textCharacterComment)
 
 
         btn.setOnClickListener {
@@ -51,23 +52,13 @@ class MainActivity : ComponentActivity() {
             val infoType = InfoClassifier.classify(text)
 
             Thread {
-                val reply = CharacterReplyManager().replyWithAI(charId, text, infoType)
+                val result = CharacterReplyManager().replyWithAI(charId, text, infoType)
 
                 runOnUiThread {
-                    val commentView = findViewById<TextView>(R.id.textCharacterComment)
-
-                    val cleanText =
-                        if (reply.trim().startsWith("{") || reply.trim().startsWith("[")) {
-                            AiClient("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").extractText(reply)
-                        } else reply
-
-                    commentView.text = cleanText
-
-                    // 表情切り替え
-                    val infoType = InfoClassifier.classify(text)
-                    val emotion = infoTypeToEmotion(infoType)
-                    updateCharacterExpression(charId,emotion)
+                    commentView.text = result.text
+                    updateCharacterExpression(charId, result.emotion)
                 }
+
             }.start()
         }
 
diff --git a/app/src/main/java/com/example/curation_train_app/ai/PromptBuilder.kt b/app/src/main/java/com/example/curation_train_app/ai/PromptBuilder.kt
index 0077cad..07983e5 100644
--- a/app/src/main/java/com/example/curation_train_app/ai/PromptBuilder.kt
+++ b/app/src/main/java/com/example/curation_train_app/ai/PromptBuilder.kt
@@ -14,6 +14,11 @@ object PromptBuilder {
         return """
 あなたは以下のキャラクターになりきって返答してください。
 
+あなたの返答は次の JSON 形式にしてください：
+{"text": "返す文章", "emotion": "happy / angry / think / worry / surprised / sleepy / confused / normal"}
+
+
+
 【キャラ設定】
 名前：${character.name}
 話し方：${character.speakingStyle}