お姉さん達４人が変化する話です 変化内容【平面化、球体化、風船化、物品化】等々 フルカラー　表紙含め１３P *作品はZIP形式で展開します。ZIP解凍方法は各自で調べてください。機器のOSやモデルの古さで閲覧できない場合がありますが、その際は責任は各自でとり行ってください。 This is a story about four sisters who change. The contents of change [flatness, sphericalness, ballooning, materialization], etc. Full color, 13 pages including cover *The work is developed in ZIP format. You may not be able to view it due to the OS of your device or the age of the model, in which case, please take responsibility on your own.