diff --git a/umbba-api/src/main/java/sopt/org/umbba/api/controller/qna/dto/response/TodayQnAResponseDto.java b/umbba-api/src/main/java/sopt/org/umbba/api/controller/qna/dto/response/TodayQnAResponseDto.java
index 998d555b..d85beb0a 100644
--- a/umbba-api/src/main/java/sopt/org/umbba/api/controller/qna/dto/response/TodayQnAResponseDto.java
+++ b/umbba-api/src/main/java/sopt/org/umbba/api/controller/qna/dto/response/TodayQnAResponseDto.java
@@ -54,20 +54,37 @@ public static TodayQnAResponseDto of(User myUser, User opponentUser, int count,
             isMyAnswer = todayQnA.isParentAnswer();
         }
 
-        return TodayQnAResponseDto.builder()
-                .qnaId(todayQnA.getId())
-                .index(count)
-                .section(todayQuestion.getSection().getValue())
-                .topic(todayQuestion.getTopic())
-                .opponentQuestion(opponentQuestion)
-                .myQuestion(myQuestion)
-                .opponentAnswer(opponentAnswer)
-                .myAnswer(myAnswer)
-                .isOpponentAnswer(isOpponentAnswer)
-                .isMyAnswer(isMyAnswer)
-                .opponentUsername(opponentUser.getUsername())
-                .myUsername(myUser.getUsername())
-                .build();
+        if (opponentUser != null) {
+            return TodayQnAResponseDto.builder()
+                    .qnaId(todayQnA.getId())
+                    .index(count)
+                    .section(todayQuestion.getSection().getValue())
+                    .topic(todayQuestion.getTopic())
+                    .opponentQuestion(opponentQuestion)
+                    .myQuestion(myQuestion)
+                    .opponentAnswer(opponentAnswer)
+                    .myAnswer(myAnswer)
+                    .isOpponentAnswer(isOpponentAnswer)
+                    .isMyAnswer(isMyAnswer)
+                    .opponentUsername(opponentUser.getUsername())
+                    .myUsername(myUser.getUsername())
+                    .build();
+        } else {
+            return TodayQnAResponseDto.builder()
+                    .qnaId(todayQnA.getId())
+                    .index(count)
+                    .section(todayQuestion.getSection().getValue())
+                    .topic(todayQuestion.getTopic())
+                    .opponentQuestion(null)
+                    .myQuestion(myQuestion)
+                    .opponentAnswer(null)
+                    .myAnswer(myAnswer)
+                    .isOpponentAnswer(null)
+                    .isMyAnswer(isMyAnswer)
+                    .opponentUsername(null)
+                    .myUsername(myUser.getUsername())
+                    .build();
+        }
     }
 }
 
diff --git a/umbba-api/src/main/java/sopt/org/umbba/api/service/qna/QnAService.java b/umbba-api/src/main/java/sopt/org/umbba/api/service/qna/QnAService.java
index 5bdf0e54..e466d215 100644
--- a/umbba-api/src/main/java/sopt/org/umbba/api/service/qna/QnAService.java
+++ b/umbba-api/src/main/java/sopt/org/umbba/api/service/qna/QnAService.java
@@ -55,9 +55,18 @@ public TodayQnAResponseDto getTodayQnA(Long userId) {
         Parentchild parentchild = getParentchildByUser(myUser);
         QnA todayQnA = getTodayQnAByParentchild(parentchild);
         Question todayQuestion = todayQnA.getQuestion();
-        User opponentUser = getOpponentByParentchild(parentchild, userId);
 
-        return TodayQnAResponseDto.of(myUser, opponentUser, parentchild.getCount(), todayQnA, todayQuestion);
+        User opponentUser;
+        List<User> opponentUserList = userRepository.findUserByParentChild(parentchild)
+                .stream()
+                .filter(user -> !user.getId().equals(userId))
+                .collect(Collectors.toList());
+        if (opponentUserList.isEmpty()) {
+            return TodayQnAResponseDto.of(myUser, null, parentchild.getCount(), todayQnA, todayQuestion);
+        } else {
+            opponentUser = opponentUserList.get(0);
+            return TodayQnAResponseDto.of(myUser, opponentUser, parentchild.getCount(), todayQnA, todayQuestion);
+        }
     }
 
     public GetInvitationResponseDto getInvitation(Long userId) {