First released: 14th February 2018
About
- 1.ゴーカ！ごーかい！？ファントムシーフ！3:40
- 2.YAPPY！ SCHOOL CARNIVAL☆彡3:54
- 3.せかいのっびのびトレジャー！3:31
- 4.ゴーカ！ごーかい！？ファントムシーフ！-instrumental-3:40
- 5.YAPPY！ SCHOOL CARNIVAL☆彡-instrumental-3:54
- 6.せかいのっびのびトレジャー！-instrumental-3:31