diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/Capsule.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/Capsule.java
index 833fc102e..31da14e9b 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/Capsule.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/Capsule.java
@@ -14,7 +14,6 @@
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.OneToMany;
 import jakarta.persistence.Table;
-import java.time.ZoneId;
 import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.List;
@@ -120,12 +119,8 @@ public void open() {
         this.isOpened = Boolean.TRUE;
     }
 
-    public boolean isTimeCapsule() {
-        return dueDate != null;
-    }
-
-    public boolean canOpen() {
-        return dueDate == null || dueDate.isBefore(ZonedDateTimeSupplier.utc().get());
+    public boolean isNotTimeCapsule() {
+        return dueDate == null;
     }
 
     public boolean isAllGroupMemberOpened(Long memberId, Long capsuleId) {
@@ -133,13 +128,15 @@ public boolean isAllGroupMemberOpened(Long memberId, Long capsuleId) {
             throw new GroupCapsuleOpenNotFoundException();
         }
 
-        return groupCapsuleOpens.stream()
-            .allMatch(groupCapsuleOpen -> {
-                if (groupCapsuleOpen.matched(capsuleId, memberId)) {
-                    groupCapsuleOpen.open();
-                }
+        boolean isCapsuleOpened = true;
+        for (GroupCapsuleOpen groupCapsuleOpen : groupCapsuleOpens) {
+            if (groupCapsuleOpen.matched(capsuleId, memberId)) {
+                groupCapsuleOpen.open();
+            }
+
+            isCapsuleOpened = isCapsuleOpened && groupCapsuleOpen.getIsOpened();
+        }
 
-                return groupCapsuleOpen.getIsOpened();
-            });
+        return isCapsuleOpened;
     }
 }
\ No newline at end of file
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/dto/GroupCapsuleOpenStateDto.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/dto/GroupCapsuleOpenStateDto.java
index 56fd18e2a..38d57c2d0 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/dto/GroupCapsuleOpenStateDto.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/dto/GroupCapsuleOpenStateDto.java
@@ -3,21 +3,23 @@
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.response.GroupCapsuleOpenStateResponse;
 
 public record GroupCapsuleOpenStateDto(
-    CapsuleOpenStatus capsuleOpenStatus
+    CapsuleOpenStatus capsuleOpenStatus,
+    boolean isIndividuallyOpened
 ) {
 
     public static GroupCapsuleOpenStateDto opened() {
-        return new GroupCapsuleOpenStateDto(CapsuleOpenStatus.OPEN);
+        return new GroupCapsuleOpenStateDto(CapsuleOpenStatus.OPEN, true);
     }
 
-    public static GroupCapsuleOpenStateDto notOpened() {
-        return new GroupCapsuleOpenStateDto(CapsuleOpenStatus.NOT_OPEN);
+    public static GroupCapsuleOpenStateDto notOpened(boolean isIndividuallyOpened) {
+        return new GroupCapsuleOpenStateDto(CapsuleOpenStatus.NOT_OPEN, isIndividuallyOpened);
     }
 
     public GroupCapsuleOpenStateResponse toResponse() {
         return new GroupCapsuleOpenStateResponse(
             capsuleOpenStatus,
-            capsuleOpenStatus.getStatusMessage()
+            capsuleOpenStatus.getStatusMessage(),
+            isIndividuallyOpened
         );
     }
 }
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/response/GroupCapsuleOpenStateResponse.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/response/GroupCapsuleOpenStateResponse.java
index e77ec5c3a..cd67440eb 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/response/GroupCapsuleOpenStateResponse.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/response/GroupCapsuleOpenStateResponse.java
@@ -1,10 +1,19 @@
 package site.timecapsulearchive.core.domain.capsule.group_capsule.data.response;
 
+import io.swagger.v3.oas.annotations.media.Schema;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.CapsuleOpenStatus;
 
+@Schema(description = "그룹 캡슐 개봉 상태 응답")
 public record GroupCapsuleOpenStateResponse(
+
+    @Schema(description = "캡슐 개봉 상태")
     CapsuleOpenStatus capsuleOpenStatus,
-    String statusMessage
+
+    @Schema(description = "캡슐 개봉 상태 메시지")
+    String statusMessage,
+
+    @Schema(description = "현재 요청한 사용자의 개별적인 캡슐 개봉 상태")
+    boolean isIndividuallyOpened
 ) {
 
 }
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleService.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleService.java
index 4988f6b01..8ec2d1635 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleService.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleService.java
@@ -111,18 +111,18 @@ public GroupCapsuleOpenStateDto openGroupCapsule(final Long memberId, final Long
                 capsuleId)
             .orElseThrow(CapsuleNotFondException::new);
 
-        if (!groupCapsule.canOpen()) {
-            return GroupCapsuleOpenStateDto.notOpened();
+        if (groupCapsule.isNotCapsuleOpened()) {
+            return GroupCapsuleOpenStateDto.notOpened(false);
         }
 
-        if (!groupCapsule.isTimeCapsule()) {
+        if (groupCapsule.isNotTimeCapsule()) {
             groupCapsule.open();
             return GroupCapsuleOpenStateDto.opened();
         }
 
         boolean allGroupMemberOpened = groupCapsule.isAllGroupMemberOpened(memberId, capsuleId);
         if (!allGroupMemberOpened) {
-            return GroupCapsuleOpenStateDto.notOpened();
+            return GroupCapsuleOpenStateDto.notOpened(true);
         }
 
         groupCapsule.open();
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleServiceTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleServiceTest.java
index 4d9721f51..ab6a2e991 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleServiceTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleServiceTest.java
@@ -236,6 +236,7 @@ class GroupCapsuleServiceTest {
             softly.assertThat(groupCapsule.get().getIsOpened()).isFalse();
             softly.assertThat(groupCapsuleOpenStateDto.capsuleOpenStatus())
                 .isEqualTo(CapsuleOpenStatus.NOT_OPEN);
+            softly.assertThat(groupCapsuleOpenStateDto.isIndividuallyOpened()).isFalse();
         });
     }
 
@@ -257,6 +258,7 @@ class GroupCapsuleServiceTest {
             softly.assertThat(groupCapsule.get().getIsOpened()).isTrue();
             softly.assertThat(groupCapsuleOpenStateDto.capsuleOpenStatus())
                 .isEqualTo(CapsuleOpenStatus.OPEN);
+            softly.assertThat(groupCapsuleOpenStateDto.isIndividuallyOpened()).isTrue();
         });
     }
 
@@ -280,6 +282,7 @@ class GroupCapsuleServiceTest {
             softly.assertThat(groupCapsule.get().getIsOpened()).isFalse();
             softly.assertThat(groupCapsuleOpenStateDto.capsuleOpenStatus()).isEqualTo(
                 CapsuleOpenStatus.NOT_OPEN);
+            softly.assertThat(groupCapsuleOpenStateDto.isIndividuallyOpened()).isTrue();
         });
     }
 
@@ -303,6 +306,7 @@ class GroupCapsuleServiceTest {
             softly.assertThat(groupCapsule.get().getIsOpened()).isFalse();
             softly.assertThat(groupCapsuleOpenStateDto.capsuleOpenStatus()).isEqualTo(
                 CapsuleOpenStatus.NOT_OPEN);
+            softly.assertThat(groupCapsuleOpenStateDto.isIndividuallyOpened()).isTrue();
         });
     }
 
@@ -341,6 +345,7 @@ class GroupCapsuleServiceTest {
             softly.assertThat(groupCapsule.get().getIsOpened()).isTrue();
             softly.assertThat(groupCapsuleOpenStateDto.capsuleOpenStatus()).isEqualTo(
                 CapsuleOpenStatus.OPEN);
+            softly.assertThat(groupCapsuleOpenStateDto.isIndividuallyOpened()).isTrue();
         });
     }
 
@@ -364,6 +369,7 @@ class GroupCapsuleServiceTest {
             softly.assertThat(groupCapsule.get().getIsOpened()).isTrue();
             softly.assertThat(groupCapsuleOpenStateDto.capsuleOpenStatus()).isEqualTo(
                 CapsuleOpenStatus.OPEN);
+            softly.assertThat(groupCapsuleOpenStateDto.isIndividuallyOpened()).isTrue();
         });
     }