Goka! Gokai!? Phantom Thief!

'''Goka! Gokai!? Phantom Thief! '''is the 2nd single by Hello, Happy World!

Tracklist

 * 1) Goka! Gokai!? Phantom Thief!  (ゴーカ！ごーかい！？ファントムシーフ！)
 * 2) YAPPY! SCHOOL CARNIVAL☆彡
 * 3) Sekai Nobbinobi Treasure! (せかいのっびのびトレジャー！)
 * 4) Goka! Gokai!? Phantom Thief! -instrumental-
 * 5) YAPPY! SCHOOL CARNIVAL☆彡 -instrumental-
 * 6) Sekai Nobbinobi Treasure! -instrumental-