楽しいことがあるといいな♪ (Tanoshii Koto ga Aru to Ii na ♪)

Tanoshii Koto Ga Aru To Ii Na ♪ is a song sung by Kaito Fuga, Meiko Haigo, Neru Akita, Miku Hatsune, Gackpo Camui, Rin Kagamine, and Len Kagamine. It is a Niconico only song.