diff --git a/src/build.gradle b/src/build.gradle
new file mode 100644
index 00000000..f00a987f
--- /dev/null
+++ b/src/build.gradle
@@ -0,0 +1,12 @@
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation project(":core:data")
+    implementation project(":core:time")
+
+    implementation "org.springframework.boot:spring-boot-starter-data-jpa"
+
+    testRuntimeOnly "com.h2database:h2"
+}
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/Bookmark.kt b/src/main/kotlin/domain/feedback/Bookmark.kt
similarity index 63%
rename from survey/src/main/kotlin/me/nalab/survey/domain/feedback/Bookmark.kt
rename to src/main/kotlin/domain/feedback/Bookmark.kt
index 11241a44..4a2d34fe 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/Bookmark.kt
+++ b/src/main/kotlin/domain/feedback/Bookmark.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.feedback
+package domain.feedback
 
 import me.nalab.core.time.TimeUtil
 import java.time.Instant
@@ -8,7 +8,7 @@ import javax.persistence.Embeddable
 @Embeddable
 class Bookmark(
     @Column(name = "is_bookmarked", nullable = false)
-    var isBookmarked: Boolean = BOOKMARK_DEFAULT_STATE,
+    var isBookmarked: Boolean = domain.feedback.Bookmark.Companion.BOOKMARK_DEFAULT_STATE,
 
     @Column(name = "bookmarked_at", columnDefinition = "TIMESTAMP(6)", nullable = false)
     var bookmarkedAt: Instant,
@@ -17,6 +17,7 @@ class Bookmark(
     companion object {
         private const val BOOKMARK_DEFAULT_STATE = false
 
-        fun impossible(): Bookmark = Bookmark(bookmarkedAt = TimeUtil.toInstant())
+        fun impossible(): domain.feedback.Bookmark =
+            domain.feedback.Bookmark(bookmarkedAt = TimeUtil.toInstant())
     }
 }
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/ChoiceFormQuestionFeedback.kt b/src/main/kotlin/domain/feedback/ChoiceFormQuestionFeedback.kt
similarity index 57%
rename from survey/src/main/kotlin/me/nalab/survey/domain/feedback/ChoiceFormQuestionFeedback.kt
rename to src/main/kotlin/domain/feedback/ChoiceFormQuestionFeedback.kt
index 3cfb18bb..bfee6882 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/ChoiceFormQuestionFeedback.kt
+++ b/src/main/kotlin/domain/feedback/ChoiceFormQuestionFeedback.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.feedback
+package domain.feedback
 
 import javax.persistence.*
 
@@ -7,11 +7,11 @@ class ChoiceFormQuestionFeedback(
     id: Long,
     formQuestionId: Long,
     isRead: Boolean = false,
-    bookmark: Bookmark = Bookmark.impossible(),
-    feedback: Feedback,
+    bookmark: domain.feedback.Bookmark = domain.feedback.Bookmark.Companion.impossible(),
+    feedback: domain.feedback.Feedback,
 
     @ElementCollection
     @Column(name = "selects")
     @CollectionTable(name = "selects", joinColumns = [JoinColumn(name = "form_feedback_id")])
     private val selectedChoiceIds: MutableSet<Long>,
-) : FormQuestionFeedbackable(id, formQuestionId, isRead, bookmark, feedback)
+) : domain.feedback.FormQuestionFeedbackable(id, formQuestionId, isRead, bookmark, feedback)
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/Feedback.kt b/src/main/kotlin/domain/feedback/Feedback.kt
similarity index 77%
rename from survey/src/main/kotlin/me/nalab/survey/domain/feedback/Feedback.kt
rename to src/main/kotlin/domain/feedback/Feedback.kt
index d11fecb2..5f885d86 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/Feedback.kt
+++ b/src/main/kotlin/domain/feedback/Feedback.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.feedback
+package domain.feedback
 
 import me.nalab.core.data.common.TimeBaseEntity
 import javax.persistence.*
@@ -18,17 +18,17 @@ class Feedback(
         fetch = FetchType.LAZY,
         cascade = [CascadeType.PERSIST, CascadeType.MERGE]
     )
-    val questionFeedbacks: MutableList<FormQuestionFeedbackable> = mutableListOf(),
+    val questionFeedbacks: MutableList<domain.feedback.FormQuestionFeedbackable> = mutableListOf(),
 
     @Column(name = "is_read", nullable = false)
     private var isRead: Boolean = false,
 
     @JoinColumn(name = "reviewer_id", nullable = false)
     @OneToOne(fetch = FetchType.LAZY, cascade = [CascadeType.PERSIST, CascadeType.MERGE])
-    val reviewer: Reviewer,
-) : Comparable<Feedback>, TimeBaseEntity() {
+    val reviewer: domain.feedback.Reviewer,
+) : Comparable<domain.feedback.Feedback>, TimeBaseEntity() {
 
-    override fun compareTo(other: Feedback): Int {
+    override fun compareTo(other: domain.feedback.Feedback): Int {
         if (updatedAt.isAfter(other.updatedAt)) {
             return -1
         }
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/FormQuestionFeedbackable.kt b/src/main/kotlin/domain/feedback/FormQuestionFeedbackable.kt
similarity index 80%
rename from survey/src/main/kotlin/me/nalab/survey/domain/feedback/FormQuestionFeedbackable.kt
rename to src/main/kotlin/domain/feedback/FormQuestionFeedbackable.kt
index 2b6b9071..d9dda3f4 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/FormQuestionFeedbackable.kt
+++ b/src/main/kotlin/domain/feedback/FormQuestionFeedbackable.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.feedback
+package domain.feedback
 
 import javax.persistence.*
 
@@ -17,9 +17,9 @@ abstract class FormQuestionFeedbackable(
     open var isRead: Boolean = false,
 
     @Embedded
-    open val bookmark: Bookmark,
+    open val bookmark: domain.feedback.Bookmark,
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "feedback_id")
-    val feedback: Feedback,
+    val feedback: domain.feedback.Feedback,
 )
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/Reviewer.kt b/src/main/kotlin/domain/feedback/Reviewer.kt
similarity index 80%
rename from survey/src/main/kotlin/me/nalab/survey/domain/feedback/Reviewer.kt
rename to src/main/kotlin/domain/feedback/Reviewer.kt
index e0283add..3e21d05f 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/Reviewer.kt
+++ b/src/main/kotlin/domain/feedback/Reviewer.kt
@@ -1,7 +1,7 @@
-package me.nalab.survey.domain.feedback
+package domain.feedback
 
 import me.nalab.core.data.common.TimeBaseEntity
-import me.nalab.survey.domain.feedback.value.NickName
+import domain.feedback.value.NickName
 import javax.persistence.Column
 import javax.persistence.Entity
 import javax.persistence.Id
@@ -15,7 +15,7 @@ class Reviewer(
     val id: Long,
 
     @Column(name = "nick_name", nullable = false)
-    internal var nickName: NickName,
+    internal var nickName: domain.feedback.value.NickName,
 
     @Column(name = "collaboration_experience", nullable = false)
     val collaborationExperience: Boolean,
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/ShortFormQuestionFeedback.kt b/src/main/kotlin/domain/feedback/ShortFormQuestionFeedback.kt
similarity index 62%
rename from survey/src/main/kotlin/me/nalab/survey/domain/feedback/ShortFormQuestionFeedback.kt
rename to src/main/kotlin/domain/feedback/ShortFormQuestionFeedback.kt
index 0a888cce..6b48e24f 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/ShortFormQuestionFeedback.kt
+++ b/src/main/kotlin/domain/feedback/ShortFormQuestionFeedback.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.feedback
+package domain.feedback
 
 import javax.persistence.*
 
@@ -7,11 +7,11 @@ class ShortFormQuestionFeedback(
     id: Long,
     formQuestionId: Long,
     isRead: Boolean = false,
-    bookmark: Bookmark,
-    feedback: Feedback,
+    bookmark: domain.feedback.Bookmark,
+    feedback: domain.feedback.Feedback,
 
     @ElementCollection
     @CollectionTable(name = "reply", joinColumns = [JoinColumn(name = "form_feedback_id")])
     @Column(name = "replies")
     val replies: MutableList<String>,
-) : FormQuestionFeedbackable(id, formQuestionId, isRead, bookmark, feedback)
+) : domain.feedback.FormQuestionFeedbackable(id, formQuestionId, isRead, bookmark, feedback)
diff --git a/src/main/kotlin/domain/feedback/value/NickName.kt b/src/main/kotlin/domain/feedback/value/NickName.kt
new file mode 100644
index 00000000..f4dc63a3
--- /dev/null
+++ b/src/main/kotlin/domain/feedback/value/NickName.kt
@@ -0,0 +1,28 @@
+package domain.feedback.value
+
+import javax.persistence.Embeddable
+
+@Embeddable
+class NickName(
+    val value: String
+) {
+
+    companion object {
+        private const val FIRST_NAME = "A"
+        fun firstNickName(): domain.feedback.value.NickName =
+            domain.feedback.value.NickName(domain.feedback.value.NickName.Companion.FIRST_NAME)
+
+        fun nextNickName(lastName: String): domain.feedback.value.NickName {
+            for (i in lastName.length - 1 downTo 0) {
+                if (lastName[i] != 'Z') {
+                    return domain.feedback.value.NickName(
+                        lastName.substring(0, i) + (lastName[i].code + 1).toChar() + "A".repeat(
+                            lastName.length - (i + 1)
+                        )
+                    )
+                }
+            }
+            return domain.feedback.value.NickName("A".repeat(Math.max(0, lastName.length + 1)))
+        }
+    }
+}
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/Choice.kt b/src/main/kotlin/domain/survey/Choice.kt
similarity index 94%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/Choice.kt
rename to src/main/kotlin/domain/survey/Choice.kt
index 4a7d039d..70a9d3ad 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/Choice.kt
+++ b/src/main/kotlin/domain/survey/Choice.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 import javax.persistence.*
 
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/ChoiceFormQuestion.kt b/src/main/kotlin/domain/survey/ChoiceFormQuestion.kt
similarity index 96%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/ChoiceFormQuestion.kt
rename to src/main/kotlin/domain/survey/ChoiceFormQuestion.kt
index f05c1041..c24ef0d3 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/ChoiceFormQuestion.kt
+++ b/src/main/kotlin/domain/survey/ChoiceFormQuestion.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 import me.nalab.survey.domain.survey.exception.DuplicatedOrderException
 import javax.persistence.*
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/ChoiceFormQuestionType.kt b/src/main/kotlin/domain/survey/ChoiceFormQuestionType.kt
similarity index 63%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/ChoiceFormQuestionType.kt
rename to src/main/kotlin/domain/survey/ChoiceFormQuestionType.kt
index 2f57fbaf..0c04ba22 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/ChoiceFormQuestionType.kt
+++ b/src/main/kotlin/domain/survey/ChoiceFormQuestionType.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 enum class ChoiceFormQuestionType {
     TENDENCY,
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/FormQuestionable.kt b/src/main/kotlin/domain/survey/FormQuestionable.kt
similarity index 95%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/FormQuestionable.kt
rename to src/main/kotlin/domain/survey/FormQuestionable.kt
index 01d60fa1..c5385810 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/FormQuestionable.kt
+++ b/src/main/kotlin/domain/survey/FormQuestionable.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 import me.nalab.core.data.common.TimeBaseEntity
 import javax.persistence.*
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/QuestionType.kt b/src/main/kotlin/domain/survey/QuestionType.kt
similarity index 57%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/QuestionType.kt
rename to src/main/kotlin/domain/survey/QuestionType.kt
index 39183447..8499f1d6 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/QuestionType.kt
+++ b/src/main/kotlin/domain/survey/QuestionType.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 enum class QuestionType {
     CHOICE,
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/ShortFormQuestion.kt b/src/main/kotlin/domain/survey/ShortFormQuestion.kt
similarity index 90%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/ShortFormQuestion.kt
rename to src/main/kotlin/domain/survey/ShortFormQuestion.kt
index 609d8580..71fb7f56 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/ShortFormQuestion.kt
+++ b/src/main/kotlin/domain/survey/ShortFormQuestion.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 import javax.persistence.*
 
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/ShortFormQuestionType.kt b/src/main/kotlin/domain/survey/ShortFormQuestionType.kt
similarity index 67%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/ShortFormQuestionType.kt
rename to src/main/kotlin/domain/survey/ShortFormQuestionType.kt
index 67433a33..285e93d7 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/ShortFormQuestionType.kt
+++ b/src/main/kotlin/domain/survey/ShortFormQuestionType.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 enum class ShortFormQuestionType {
     STRENGTH,
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/Survey.kt b/src/main/kotlin/domain/survey/Survey.kt
similarity index 96%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/Survey.kt
rename to src/main/kotlin/domain/survey/Survey.kt
index 69b4f4c1..ae9d2909 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/Survey.kt
+++ b/src/main/kotlin/domain/survey/Survey.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 import me.nalab.core.data.common.TimeBaseEntity
 import me.nalab.survey.domain.survey.exception.DuplicatedOrderException
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/SurveyBookmark.kt b/src/main/kotlin/domain/survey/SurveyBookmark.kt
similarity index 87%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/SurveyBookmark.kt
rename to src/main/kotlin/domain/survey/SurveyBookmark.kt
index 4c09415f..4eeddf88 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/SurveyBookmark.kt
+++ b/src/main/kotlin/domain/survey/SurveyBookmark.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 import javax.persistence.Column
 import javax.persistence.Embeddable
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/SurveyRepository.kt b/src/main/kotlin/domain/survey/SurveyRepository.kt
similarity index 75%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/SurveyRepository.kt
rename to src/main/kotlin/domain/survey/SurveyRepository.kt
index cfe7781b..198d7866 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/SurveyRepository.kt
+++ b/src/main/kotlin/domain/survey/SurveyRepository.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 import org.springframework.data.jpa.repository.JpaRepository
 
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/Target.kt b/src/main/kotlin/domain/survey/Target.kt
similarity index 96%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/Target.kt
rename to src/main/kotlin/domain/survey/Target.kt
index 53f96526..ff05069f 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/Target.kt
+++ b/src/main/kotlin/domain/survey/Target.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey
+package domain.survey
 
 import me.nalab.core.data.common.TimeBaseEntity
 import me.nalab.survey.domain.survey.value.ImageUrl
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/exception/DuplicatedOrderException.kt b/src/main/kotlin/domain/survey/exception/DuplicatedOrderException.kt
similarity index 81%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/exception/DuplicatedOrderException.kt
rename to src/main/kotlin/domain/survey/exception/DuplicatedOrderException.kt
index 796fb8a7..f24d1efc 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/exception/DuplicatedOrderException.kt
+++ b/src/main/kotlin/domain/survey/exception/DuplicatedOrderException.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey.exception
+package domain.survey.exception
 
 class DuplicatedOrderException internal constructor(duplicated: Int, orders: HashSet<Int>) :
     RuntimeException(
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/value/ImageUrl.kt b/src/main/kotlin/domain/survey/value/ImageUrl.kt
similarity index 85%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/value/ImageUrl.kt
rename to src/main/kotlin/domain/survey/value/ImageUrl.kt
index 38bee468..4dcf0d6a 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/value/ImageUrl.kt
+++ b/src/main/kotlin/domain/survey/value/ImageUrl.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey.value
+package domain.survey.value
 
 import javax.persistence.Column
 import javax.persistence.Embeddable
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/value/Job.kt b/src/main/kotlin/domain/survey/value/Job.kt
similarity index 84%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/value/Job.kt
rename to src/main/kotlin/domain/survey/value/Job.kt
index 41b37b3d..b052c3bc 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/value/Job.kt
+++ b/src/main/kotlin/domain/survey/value/Job.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey.value
+package domain.survey.value
 
 import javax.persistence.Column
 import javax.persistence.Embeddable
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/survey/value/Position.kt b/src/main/kotlin/domain/survey/value/Position.kt
similarity index 85%
rename from survey/src/main/kotlin/me/nalab/survey/domain/survey/value/Position.kt
rename to src/main/kotlin/domain/survey/value/Position.kt
index 3caf457a..ed477101 100644
--- a/survey/src/main/kotlin/me/nalab/survey/domain/survey/value/Position.kt
+++ b/src/main/kotlin/domain/survey/value/Position.kt
@@ -1,4 +1,4 @@
-package me.nalab.survey.domain.survey.value
+package domain.survey.value
 
 import javax.persistence.Column
 import javax.persistence.Embeddable
diff --git a/survey/build.gradle b/survey/build.gradle
index f00a987f..e69de29b 100644
--- a/survey/build.gradle
+++ b/survey/build.gradle
@@ -1,12 +0,0 @@
-repositories {
-    mavenCentral()
-}
-
-dependencies {
-    implementation project(":core:data")
-    implementation project(":core:time")
-
-    implementation "org.springframework.boot:spring-boot-starter-data-jpa"
-
-    testRuntimeOnly "com.h2database:h2"
-}
diff --git a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/value/NickName.kt b/survey/src/main/kotlin/me/nalab/survey/domain/feedback/value/NickName.kt
deleted file mode 100644
index 4a31e598..00000000
--- a/survey/src/main/kotlin/me/nalab/survey/domain/feedback/value/NickName.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package me.nalab.survey.domain.feedback.value
-
-import javax.persistence.Embeddable
-
-@Embeddable
-class NickName(
-    val value: String
-) {
-
-    companion object {
-        private const val FIRST_NAME = "A"
-        fun firstNickName(): NickName = NickName(FIRST_NAME)
-
-        fun nextNickName(lastName: String): NickName {
-            for (i in lastName.length - 1 downTo 0) {
-                if (lastName[i] != 'Z') {
-                    return NickName(lastName.substring(0, i) + (lastName[i].code + 1).toChar() + "A".repeat(
-                        lastName.length - (i + 1)
-                    ))
-                }
-            }
-            return NickName("A".repeat(Math.max(0, lastName.length + 1)))
-        }
-    }
-}