1boy, 1girl, @ @, blush, faceless, faceless male, full-face blush, grey hair, greyscale, hand on another's chest, hands up, hetero, idolmaster, idolmaster shiny colors, in locker, leg between thighs, long hair, monochrome, osaki amana, panties, panty peek, producer (idolmaster), school uniform, sweatdrop, tsurui, underwear, very long hair, wavy mouth