diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/Account.java b/app/src/main/java/org/ntlab/acanthus_client/entities/Account.java
index 53c4b44..7bec5e5 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/entities/Account.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/Account.java
@@ -2,6 +2,7 @@
 
 import java.time.LocalDateTime;
 import java.util.HashMap;
+import java.util.UUID;
 
 //-----------------------------------------------------------------
 // ユーザーアカウント
@@ -11,7 +12,55 @@
     private String email;
     private String password;
     private String token;
-    private HashMap<Integer,Work> workHashMap = new HashMap<>();
+    private HashMap<Integer, Work> workHashMap = new HashMap<>();
     private Boolean isDummy;
     private LocalDateTime lastAccess;
+
+    //-----------------------------------------------------------------
+    public Account(String name, String email, String password){
+        this.name = name;
+        this.email = email;
+        this.password = password;
+    }
+    //-----------------------------------------------------------------
+    // getter
+    public Integer getUid() {
+        return this.uid;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public String getEmail() {
+        return this.email;
+    }
+
+    public String getPassword() {
+        return this.password;
+    }
+
+    public String getToken() {
+        return this.token;
+    }
+
+    public HashMap<Integer, Work> getWorkHashMap() {
+        return this.workHashMap;
+    }
+
+    //-----------------------------------------------------------------
+    // setter
+    public void setUid(Integer uid) {
+        this.uid = uid;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+    //-----------------------------------------------------------------
+
 }
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/AccountJson.java b/app/src/main/java/org/ntlab/acanthus_client/entities/AccountJson.java
index c6728f9..0e48b2c 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/entities/AccountJson.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/AccountJson.java
@@ -5,4 +5,14 @@
 public class AccountJson {
     private Integer uid;
     private String name;
+
+    //-----------------------------------------------------------------
+    // getter
+    public Integer getUid() {
+        return uid;
+    }
+
+    public String getName() {
+        return name;
+    }
 }
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/AccountTokenJson.java b/app/src/main/java/org/ntlab/acanthus_client/entities/AccountTokenJson.java
index bb76238..f0b17ea 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/entities/AccountTokenJson.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/AccountTokenJson.java
@@ -4,4 +4,10 @@
 // アカウントに発行されたトークン
 public class AccountTokenJson {
     private String token;
+
+    //-----------------------------------------------------------------
+    // getter
+    public String getToken() {
+        return token;
+    }
 }
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/AccountUidJson.java b/app/src/main/java/org/ntlab/acanthus_client/entities/AccountUidJson.java
index 35d81b9..f1c50b3 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/entities/AccountUidJson.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/AccountUidJson.java
@@ -4,4 +4,10 @@
 // アカウントのUid
 public class AccountUidJson {
     private Integer uid;
+
+    //-----------------------------------------------------------------
+    // getter
+    public Integer getUid() {
+        return uid;
+    }
 }
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/AidJson.java b/app/src/main/java/org/ntlab/acanthus_client/entities/AidJson.java
new file mode 100644
index 0000000..6b350e6
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/AidJson.java
@@ -0,0 +1,19 @@
+package org.ntlab.acanthus_client.entities;
+
+//-----------------------------------------------------------------
+// 作品のID
+public class AidJson {
+    private Integer aid;
+
+    //-----------------------------------------------------------------
+    // setter
+    public void setAid(Integer aid) {
+        this.aid = aid;
+    }
+
+    //-----------------------------------------------------------------
+    // getter
+    public Integer getAid() {
+        return this.aid;
+    }
+}
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/Animation.java b/app/src/main/java/org/ntlab/acanthus_client/entities/Animation.java
new file mode 100644
index 0000000..fea8f51
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/Animation.java
@@ -0,0 +1,140 @@
+package org.ntlab.acanthus_client.entities;
+
+import android.content.SharedPreferences;
+import android.os.Build;
+
+import androidx.annotation.RequiresApi;
+
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.UUID;
+
+import static java.time.LocalDateTime.now;
+
+//-----------------------------------------------------------------
+// 作品
+public class Animation {
+    private Integer aid;
+    private Integer likes;
+    private Integer views;
+    private String name;
+    private String description;
+    private Account owner;
+    private Boolean isPublic;
+    private LocalDateTime createdDate;
+    private LocalDateTime lastUpdate;
+    private ArrayList<String> hashTag = new ArrayList<>();
+    private ArrayList<Editor> editors = new ArrayList<>();
+    private ArrayList<Account> invites = new ArrayList<>();
+    private HashMap<Integer, Integer> pageMap = new HashMap<>();
+    private Boolean isDummy;
+
+    //-----------------------------------------------------------------
+    public Animation() {
+    }
+
+    public Animation(Integer aid, String name, Account owner) {
+        this.aid = aid;
+        this.name = name;
+        this.owner = owner;
+    }
+
+    //-----------------------------------------------------------------
+    // getter
+    public Integer getAid() {
+        return this.aid;
+    }
+
+    public Integer getLikes() {
+        return this.likes;
+    }
+
+    public Integer getViews() {
+        return this.views;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public String getDescription() {
+        return this.description;
+    }
+
+    public Account getOwner() {
+        return this.owner;
+    }
+
+    public Boolean getPublic() {
+        return this.isPublic;
+    }
+
+    public LocalDateTime getCreatedDate() {
+        return this.createdDate;
+    }
+
+    public LocalDateTime getLastUpdate() {
+        return this.lastUpdate;
+    }
+
+    public ArrayList<String> getHashTag() {
+        return this.hashTag;
+    }
+
+    public ArrayList<Account> getInvites() {
+        return this.invites;
+    }
+
+    public ArrayList<Editor> getEditors() {
+        return this.editors;
+    }
+
+    public HashMap<Integer, Integer> getPageMap() {
+        return this.pageMap;
+    }
+
+    //-----------------------------------------------------------------
+    // setter
+    public void setAid(Integer aid) {
+        this.aid = aid;
+    }
+
+    public void setLikes(Integer likes) {
+        this.likes = likes;
+    }
+
+    public void setViews(Integer views) {
+        this.views = views;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public void setPublic(Boolean aPublic) {
+        this.isPublic = aPublic;
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // 招待するアカウントの追加
+    public void addInviteAccount(Account account){
+        this.invites.add(account);
+    }
+    //-----------------------------------------------------------------
+    // 編集者の追加
+    public void addEditor(Editor editor){
+        this.editors.add(editor);
+    }
+    //-----------------------------------------------------------------
+    // 新規ページの追加
+    public void addPage(Integer page){
+
+    }
+
+}
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/AnimationJson.java b/app/src/main/java/org/ntlab/acanthus_client/entities/AnimationJson.java
new file mode 100644
index 0000000..8391ebc
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/AnimationJson.java
@@ -0,0 +1,18 @@
+package org.ntlab.acanthus_client.entities;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+//-----------------------------------------------------------------
+// アニメーション
+public class AnimationJson {
+    private Integer aid;
+    private Integer ownerUid;
+    private String animationName;
+    private ArrayList<Editor> editors;
+
+    //-----------------------------------------------------------------
+    public AnimationJson() {
+    }
+
+}
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/Editor.java b/app/src/main/java/org/ntlab/acanthus_client/entities/Editor.java
new file mode 100644
index 0000000..5d73e77
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/Editor.java
@@ -0,0 +1,36 @@
+package org.ntlab.acanthus_client.entities;
+
+//-----------------------------------------------------------------
+// 作品編集者情報
+public class Editor {
+    private Account editorAccount;
+    private Boolean isOwner;
+
+    //-----------------------------------------------------------------
+    public Editor() {
+    }
+
+    public Editor(Account account, boolean aOwner) {
+        this.editorAccount = account;
+        this.isOwner = aOwner;
+    }
+
+    //-----------------------------------------------------------------
+    // getter
+    public Account getEditorAccount() {
+        return this.editorAccount;
+    }
+
+    //-----------------------------------------------------------------
+    // setter
+    public void setEditorAccount(Account editorAccount) {
+        this.editorAccount = editorAccount;
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // 自身がオーナーかどうか
+    public Boolean isOwnerAccount() {
+        return this.isOwner;
+    }
+}
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/EditorJson.java b/app/src/main/java/org/ntlab/acanthus_client/entities/EditorJson.java
new file mode 100644
index 0000000..dd5cb03
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/EditorJson.java
@@ -0,0 +1,25 @@
+package org.ntlab.acanthus_client.entities;
+
+import java.util.ArrayList;
+
+//-----------------------------------------------------------------
+// 作品編集者の一覧
+public class EditorJson {
+    private ArrayList<Integer> uidList = new ArrayList<>();
+
+    //-----------------------------------------------------------------
+    public EditorJson() {
+    }
+
+    //-----------------------------------------------------------------
+    // getter
+    public ArrayList<Integer> getUidList() {
+        return uidList;
+    }
+
+    //-----------------------------------------------------------------
+    // setter
+    public void addUid(Integer uid) {
+        this.uidList.add(uid);
+    }
+}
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/Layer.java b/app/src/main/java/org/ntlab/acanthus_client/entities/Layer.java
new file mode 100644
index 0000000..99927bc
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/Layer.java
@@ -0,0 +1,6 @@
+package org.ntlab.acanthus_client.entities;
+
+//-----------------------------------------------------------------
+// レイヤー情報
+public class Layer {
+}
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/Page.java b/app/src/main/java/org/ntlab/acanthus_client/entities/Page.java
new file mode 100644
index 0000000..61b4502
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/Page.java
@@ -0,0 +1,6 @@
+package org.ntlab.acanthus_client.entities;
+
+//-----------------------------------------------------------------
+// ページ情報
+public class Page {
+}
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/Position.java b/app/src/main/java/org/ntlab/acanthus_client/entities/Position.java
new file mode 100644
index 0000000..7d254be
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/Position.java
@@ -0,0 +1,25 @@
+package org.ntlab.acanthus_client.entities;
+
+//-----------------------------------------------------------------
+// ペン座標
+public class Position {
+    private Float x;
+    private Float y;
+
+    //-----------------------------------------------------------------
+    // getter
+    public Float getX() {
+        return this.x;
+    }
+
+    public Float getY() {
+        return this.y;
+    }
+
+    //-----------------------------------------------------------------
+    // setter
+    public void setPosition(float x, float y) {
+        this.x = x;
+        this.y = y;
+    }
+}
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/Stroke.java b/app/src/main/java/org/ntlab/acanthus_client/entities/Stroke.java
new file mode 100644
index 0000000..3c574a6
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/Stroke.java
@@ -0,0 +1,6 @@
+package org.ntlab.acanthus_client.entities;
+
+//-----------------------------------------------------------------
+// 筆跡
+public class Stroke {
+}
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/Work.java b/app/src/main/java/org/ntlab/acanthus_client/entities/Work.java
index 849e8ac..77f3d3b 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/entities/Work.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/Work.java
@@ -1,4 +1,33 @@
 package org.ntlab.acanthus_client.entities;
 
+//-----------------------------------------------------------------
+// 参加作品
 public class Work {
+    Integer status;
+    Animation animation;
+
+    //-----------------------------------------------------------------
+    // getter
+    public Animation getAnimation() {
+        return animation;
+    }
+
+    //-----------------------------------------------------------------
+    // setter
+    public void setAnimation(Animation animation){
+        this.animation = animation;
+    }
+
+    //-----------------------------------------------------------------
+    // 作品に招待されている状態に更新する
+    public void updateToInvitingStatus(){
+        this.status = 1;
+    }
+    //-----------------------------------------------------------------
+    // 作品に参加している状態に更新する
+    public void updateToWorkingStatus(){
+        this.status = 2;
+    }
+    //-----------------------------------------------------------------
+
 }
diff --git a/app/src/main/java/org/ntlab/acanthus_client/entities/WorkJson.java b/app/src/main/java/org/ntlab/acanthus_client/entities/WorkJson.java
new file mode 100644
index 0000000..2f29ec4
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/entities/WorkJson.java
@@ -0,0 +1,4 @@
+package org.ntlab.acanthus_client.entities;
+
+public class WorkJson {
+}