idolmaster, idolmaster (classic)
futami mami, hagiwara yukiho
kent mame
2girls, bikini, blush, breasts, brown eyes, brown hair, fingering, grabbing, grabbing another's breast, grabbing from behind, hand in own hair, looking back, multiple girls, one-piece swimsuit, open mouth, reach-around, school swimsuit, short hair, side ponytail, sitting, swimsuit, trembling, yuri
commentary request, photoshop (medium)