diff --git a/app/src/main/kotlin/com/nexters/bottles/app/bottle/domain/Letter.kt b/app/src/main/kotlin/com/nexters/bottles/app/bottle/domain/Letter.kt
index 2f6c72d..704ce1c 100644
--- a/app/src/main/kotlin/com/nexters/bottles/app/bottle/domain/Letter.kt
+++ b/app/src/main/kotlin/com/nexters/bottles/app/bottle/domain/Letter.kt
@@ -89,7 +89,7 @@ class Letter(
             otherLetter.isShareContact != null -> LetterLastStatus.CONTACT_SHARED_BY_OTHER
             this.isShareImage != null && otherLetter.isShareImage == null -> LetterLastStatus.PHOTO_SHARED_BY_ME_ONLY
             otherLetter.isShareImage != null -> LetterLastStatus.PHOTO_SHARED_BY_OTHER
-            this.letters.isEmpty() && otherLetter.letters.isEmpty() -> LetterLastStatus.NO_ANSWER_FROM_BOTH
+            this.findAnsweredSize() == 0 && otherLetter.findAnsweredSize() == 0 -> LetterLastStatus.NO_ANSWER_FROM_BOTH
             this.findAnsweredSize() > otherLetter.findAnsweredSize() -> LetterLastStatus.ANSWER_FROM_ME_ONLY
             otherLetter.findAnsweredSize() >= this.findAnsweredSize() -> LetterLastStatus.ANSWER_FROM_OTHER
             else -> LetterLastStatus.NO_ANSWER_FROM_BOTH
diff --git a/app/src/test/kotlin/com/nexters/bottles/app/bottle/domain/LetterTest.kt b/app/src/test/kotlin/com/nexters/bottles/app/bottle/domain/LetterTest.kt
index bf2df4b..fff3422 100644
--- a/app/src/test/kotlin/com/nexters/bottles/app/bottle/domain/LetterTest.kt
+++ b/app/src/test/kotlin/com/nexters/bottles/app/bottle/domain/LetterTest.kt
@@ -18,16 +18,8 @@ class LetterTest {
             targetUser = TARGET_USER, sourceUser = SOURCE_USER, likeMessage = LikeMessage("hi"),
             bottleStatus = BottleStatus.SENT, pingPongStatus = PingPongStatus.ACTIVE
         );
-        private val MY_LETTERS = listOf(
-            LetterQuestionAndAnswer(question = "question1"),
-            LetterQuestionAndAnswer(question = "question2"),
-            LetterQuestionAndAnswer(question = "question3")
-        )
-        private val OTHER_LETTERS = listOf(
-            LetterQuestionAndAnswer(question = "question1"),
-            LetterQuestionAndAnswer(question = "question2"),
-            LetterQuestionAndAnswer(question = "question3")
-        )
+        private val MY_LETTERS = listOf(LetterQuestionAndAnswer(question = "question1"))
+        private val OTHER_LETTERS = listOf(LetterQuestionAndAnswer(question = "question1"))
     }
 
     @Nested
@@ -45,8 +37,20 @@ class LetterTest {
 
         @Test
         fun `내가 문답을 작성했을 경우`() {
-            val myLetter = Letter(bottle = PING_PONG_BOTTLE, user = TARGET_USER, letters = MY_LETTERS)
-            val otherLetter = Letter(bottle = PING_PONG_BOTTLE, user = SOURCE_USER, letters = OTHER_LETTERS)
+            val myLetter = Letter(
+                bottle = PING_PONG_BOTTLE, user = TARGET_USER, letters = listOf(
+                    LetterQuestionAndAnswer(question = "question1"),
+                    LetterQuestionAndAnswer(question = "question2"),
+                    LetterQuestionAndAnswer(question = "question3")
+                )
+            )
+            val otherLetter = Letter(
+                bottle = PING_PONG_BOTTLE, user = SOURCE_USER, letters = listOf(
+                    LetterQuestionAndAnswer(question = "question1"),
+                    LetterQuestionAndAnswer(question = "question2"),
+                    LetterQuestionAndAnswer(question = "question3")
+                )
+            )
             myLetter.registerAnswer(1, "답변")
 
             val lastStatus = myLetter.findLastStatusWithOtherLetter(otherLetter)
@@ -56,8 +60,20 @@ class LetterTest {
 
         @Test
         fun `상대방이 문답을 작성했을 경우`() {
-            val myLetter = Letter(bottle = PING_PONG_BOTTLE, user = TARGET_USER, letters = MY_LETTERS)
-            val otherLetter = Letter(bottle = PING_PONG_BOTTLE, user = SOURCE_USER, letters = OTHER_LETTERS)
+            val myLetter = Letter(
+                bottle = PING_PONG_BOTTLE, user = TARGET_USER, letters = listOf(
+                    LetterQuestionAndAnswer(question = "question1"),
+                    LetterQuestionAndAnswer(question = "question2"),
+                    LetterQuestionAndAnswer(question = "question3")
+                )
+            )
+            val otherLetter = Letter(
+                bottle = PING_PONG_BOTTLE, user = SOURCE_USER, letters = listOf(
+                    LetterQuestionAndAnswer(question = "question1"),
+                    LetterQuestionAndAnswer(question = "question2"),
+                    LetterQuestionAndAnswer(question = "question3")
+                )
+            )
             otherLetter.registerAnswer(1, "답변")
 
             val lastStatus = myLetter.findLastStatusWithOtherLetter(otherLetter)