Egao･Sing･A･Song

Egao･Sing･A･Song is the fifth single by Hello, Happy World!.

Tracklist

 * 1) Egao･Sing･A･Song
 * 2) Hareyaka Sukoyaka Pikarinrin♪
 * 3) Egao･Sing･A･Song -instrumental-
 * 4) Hareyaka Sukoyaka Pikarinrin♪ -instrumental-