diff --git a/src/main/kotlin/com/depromeet/makers/domain/model/Notification.kt b/src/main/kotlin/com/depromeet/makers/domain/model/Notification.kt
index 8d31731..bc04412 100644
--- a/src/main/kotlin/com/depromeet/makers/domain/model/Notification.kt
+++ b/src/main/kotlin/com/depromeet/makers/domain/model/Notification.kt
@@ -11,7 +11,7 @@ data class Notification(
     val createdAt: LocalDateTime,
     val readAt: LocalDateTime?,
 ) {
-    fun read() = copy(readAt = LocalDateTime.now())
+    fun read(now: LocalDateTime) = copy(readAt = now)
 
     companion object {
         fun newNotification(
diff --git a/src/main/kotlin/com/depromeet/makers/domain/usecase/CreateNewSession.kt b/src/main/kotlin/com/depromeet/makers/domain/usecase/CreateNewSession.kt
index 7d598bd..c8a0576 100644
--- a/src/main/kotlin/com/depromeet/makers/domain/usecase/CreateNewSession.kt
+++ b/src/main/kotlin/com/depromeet/makers/domain/usecase/CreateNewSession.kt
@@ -6,7 +6,6 @@ import com.depromeet.makers.domain.gateway.SessionGateway
 import com.depromeet.makers.domain.model.Place
 import com.depromeet.makers.domain.model.Session
 import com.depromeet.makers.domain.model.SessionType
-import com.depromeet.makers.util.generateULID
 import java.time.LocalDateTime
 
 class CreateNewSession(
@@ -29,17 +28,17 @@ class CreateNewSession(
             throw SessionAlreadyExistsException()
         }
 
-        val newSession = Session(
-            sessionId = generateULID(),
-            generation = input.generation,
-            week = input.week,
-            title = input.title,
-            description = input.description,
-            startTime = input.startTime,
-            sessionType = input.sessionType,
-            place = getNewPlace(input),
+        return sessionGateWay.save(
+            Session.newSession(
+                generation = input.generation,
+                week = input.week,
+                title = input.title,
+                description = input.description,
+                startTime = input.startTime,
+                sessionType = input.sessionType,
+                place = getNewPlace(input),
+            )
         )
-        return sessionGateWay.save(newSession)
     }
 
     private fun hasSameGenerationAndWeekSession(generation: Int, week: Int) =
diff --git a/src/main/kotlin/com/depromeet/makers/domain/usecase/GetRecentNotification.kt b/src/main/kotlin/com/depromeet/makers/domain/usecase/GetRecentNotification.kt
index 0dd5cd5..b12cc5f 100644
--- a/src/main/kotlin/com/depromeet/makers/domain/usecase/GetRecentNotification.kt
+++ b/src/main/kotlin/com/depromeet/makers/domain/usecase/GetRecentNotification.kt
@@ -1,48 +1,28 @@
 package com.depromeet.makers.domain.usecase
 
 import com.depromeet.makers.domain.gateway.NotificationGateway
+import com.depromeet.makers.domain.model.Notification
 import com.depromeet.makers.domain.model.NotificationType
 import java.time.LocalDateTime
 
 class GetRecentNotification(
     private val notificationGateway: NotificationGateway,
-) : UseCase<GetRecentNotification.GetRecentNotificationInput, GetRecentNotification.GetRecentNotificationOutput> {
+) : UseCase<GetRecentNotification.GetRecentNotificationInput, Notification> {
 
     data class GetRecentNotificationInput(
         val memberId: String,
     )
 
-    data class GetRecentNotificationOutput(
-        val id: String,
-        val memberId: String,
-        val content: String,
-        val type: NotificationType,
-        val createdAt: LocalDateTime,
-        val isRead: Boolean = false,
-    )
-
-    override fun execute(input: GetRecentNotificationInput): GetRecentNotificationOutput {
-        val notification = notificationGateway.findRecentNotificationByMemberId(input.memberId)
-
-        // 조회 알림이 없다면 default 값
-        if (notification == null) {
-            return GetRecentNotificationOutput(
+    override fun execute(input: GetRecentNotificationInput): Notification {
+        // 조회 알림이 없다면 default 값으로 반환
+        return notificationGateway.findRecentNotificationByMemberId(input.memberId)
+            ?: return Notification(
                 id = "defaultId",
                 memberId = input.memberId,
                 content = "defaultContent",
                 type = NotificationType.NONE,
                 createdAt = LocalDateTime.now(),
-                isRead = true,
+                readAt = LocalDateTime.now(),
             )
-        }
-
-        return GetRecentNotificationOutput(
-            id = notification.id,
-            memberId = notification.memberId,
-            content = notification.content,
-            type = notification.type,
-            createdAt = notification.createdAt,
-            isRead = notification.readAt != null,
-        )
     }
 }
diff --git a/src/main/kotlin/com/depromeet/makers/domain/usecase/UpdateAbsenceMember.kt b/src/main/kotlin/com/depromeet/makers/domain/usecase/UpdateAbsenceMember.kt
index 4b4cacf..5874223 100644
--- a/src/main/kotlin/com/depromeet/makers/domain/usecase/UpdateAbsenceMember.kt
+++ b/src/main/kotlin/com/depromeet/makers/domain/usecase/UpdateAbsenceMember.kt
@@ -3,9 +3,7 @@ package com.depromeet.makers.domain.usecase
 import com.depromeet.makers.domain.gateway.AttendanceGateway
 import com.depromeet.makers.domain.gateway.NotificationGateway
 import com.depromeet.makers.domain.gateway.SessionGateway
-import com.depromeet.makers.domain.model.AttendanceStatus
-import com.depromeet.makers.domain.model.Notification
-import com.depromeet.makers.domain.model.NotificationType
+import com.depromeet.makers.domain.model.*
 import com.depromeet.makers.util.logger
 import java.time.LocalDateTime
 
@@ -33,16 +31,20 @@ class UpdateAbsenceMember(
             }
             .forEach {
                 attendanceGateway.save(it.copy(attendanceStatus = AttendanceStatus.ABSENCE))
-                notificationGateway.save(
-                    Notification.newNotification(
-                        memberId = it.member.memberId,
-                        content = "출석 인증 시간이 초과되었습니다.\n" +
-                                "출석 증빙은 담당 운영진에게 문의하세요.",
-                        type = NotificationType.DOCUMENT,
-                        createdAt = input.today,
-                    )
-                )
+                notificationGateway.save(createAbsentNotification(it.member, input))
+
                 logger.info("memberId: ${it.member.memberId} has been changed to ${AttendanceStatus.ATTENDANCE}")
             }
     }
+
+    private fun createAbsentNotification(
+        member: Member,
+        input: UpdateAbsenceMemberInput
+    ) = Notification.newNotification(
+        memberId = member.memberId,
+        content = "출석 인증 시간이 초과되었습니다.\n" +
+                "출석 증빙은 담당 운영진에게 문의하세요.",
+        type = NotificationType.DOCUMENT,
+        createdAt = input.today,
+    )
 }
diff --git a/src/main/kotlin/com/depromeet/makers/domain/usecase/UpdateReadNotification.kt b/src/main/kotlin/com/depromeet/makers/domain/usecase/UpdateReadNotification.kt
index 2a9a2c6..5724a10 100644
--- a/src/main/kotlin/com/depromeet/makers/domain/usecase/UpdateReadNotification.kt
+++ b/src/main/kotlin/com/depromeet/makers/domain/usecase/UpdateReadNotification.kt
@@ -17,10 +17,6 @@ class UpdateReadNotification(
     override fun execute(input: UpdateReadNotificationInput): Notification {
         val notification = notificationGateway.getById(input.notificationId)
 
-        return notificationGateway.save(
-            notification.copy(
-                readAt = input.now
-            )
-        )
+        return notificationGateway.save(notification.read(input.now))
     }
 }
diff --git a/src/main/kotlin/com/depromeet/makers/presentation/restapi/dto/response/CheckInStatusResponse.kt b/src/main/kotlin/com/depromeet/makers/presentation/restapi/dto/response/CheckInStatusResponse.kt
index c660773..5fe5b24 100644
--- a/src/main/kotlin/com/depromeet/makers/presentation/restapi/dto/response/CheckInStatusResponse.kt
+++ b/src/main/kotlin/com/depromeet/makers/presentation/restapi/dto/response/CheckInStatusResponse.kt
@@ -19,5 +19,4 @@ data class CheckInStatusResponse(
 
     @Schema(name = "expectAttendanceStatus", description = "출석 시 예상하는 상태")
     val expectAttendanceStatus: AttendanceStatus,
-) {
-}
+)
diff --git a/src/main/kotlin/com/depromeet/makers/presentation/restapi/dto/response/NotificationResponse.kt b/src/main/kotlin/com/depromeet/makers/presentation/restapi/dto/response/NotificationResponse.kt
index baafe9f..2d0b0af 100644
--- a/src/main/kotlin/com/depromeet/makers/presentation/restapi/dto/response/NotificationResponse.kt
+++ b/src/main/kotlin/com/depromeet/makers/presentation/restapi/dto/response/NotificationResponse.kt
@@ -2,7 +2,6 @@ package com.depromeet.makers.presentation.restapi.dto.response
 
 import com.depromeet.makers.domain.model.Notification
 import com.depromeet.makers.domain.model.NotificationType
-import com.depromeet.makers.domain.usecase.GetRecentNotification
 import io.swagger.v3.oas.annotations.media.Schema
 
 @Schema(description = "알림 DTO")
@@ -24,14 +23,6 @@ data class NotificationResponse(
     val isRead: Boolean,
 ) {
     companion object {
-        fun fromDomain(output: GetRecentNotification.GetRecentNotificationOutput) = NotificationResponse(
-            id = output.id,
-            memberId = output.memberId,
-            content = output.content,
-            type = output.type,
-            isRead = output.isRead,
-        )
-
         fun fromDomain(output: Notification): NotificationResponse {
             return NotificationResponse(
                 id = output.id,
diff --git a/src/test/kotlin/com/depromeet/makers/domain/usecase/GetRecentNotificationTest.kt b/src/test/kotlin/com/depromeet/makers/domain/usecase/GetRecentNotificationTest.kt
index 8d46e9b..df79887 100644
--- a/src/test/kotlin/com/depromeet/makers/domain/usecase/GetRecentNotificationTest.kt
+++ b/src/test/kotlin/com/depromeet/makers/domain/usecase/GetRecentNotificationTest.kt
@@ -5,6 +5,7 @@ import com.depromeet.makers.domain.model.Notification
 import com.depromeet.makers.domain.model.NotificationType
 import io.kotest.core.spec.style.BehaviorSpec
 import io.kotest.matchers.shouldBe
+import io.kotest.matchers.shouldNotBe
 import io.mockk.every
 import io.mockk.mockk
 import java.time.LocalDateTime
@@ -32,7 +33,7 @@ class GetRecentNotificationTest : BehaviorSpec({
             )
 
             Then("읽지 않은 알림이 조회된다") {
-                result.isRead shouldBe false
+                result.readAt shouldBe null
             }
         }
     }
@@ -61,7 +62,7 @@ class GetRecentNotificationTest : BehaviorSpec({
             )
 
             Then("읽은 알림이 조회된다") {
-                result.isRead shouldBe true
+                result.readAt shouldNotBe null
             }
         }
     }