you-iの生い立ち (リアルDLCお披露目) • Whose Song?

you-iの生い立ち (リアルDLCお披露目)
is a song by
中村繪里子・今井麻美・仁後真耶子
it was released on
DJCD SP THE IDOLM@STER Radio For You! Radio For 結～you-...