first time i’ve heard this song was when i was playing with idolm@ster SP for PSP (i own all three versions). it seems that now it’s available as a DLC for idolm@ster 2, but not on the PS3 version (which is the version i own). not for now at least.
anyway…great song with a lovely iori!
Iori Minase Figure
full gallery on this post on sankaku complex