Wolves Aren't Scary!
おおかみなんかこわくないッ！
MUSICfinished2013
Synopsis
"Wolves Aren't Scary!" is an original song by OSTER project featuring Hatsune Miku and GUMI along with Kagamine Rin, Kagamine Len, Megurine Luka, MEIKO and KAITO in the chorus. (Souce: Fan Wiki)