双海亜美(下田麻美) / おとなのはじまり (... • Whose Song?

双海亜美(下田麻美) / おとなのはじまり (...
is a song by
Various
it was released on
THE IDOLM@STER ANIM@TION MASTER 生っすかSPECIAL CURTAIN ...