idolmaster, idolmaster (classic)
futami ami, futami mami, minase iori
puton
3girls, :d, :o, ass, back, bath, blush, body blush, brown eyes, brown hair, long hair, multiple girls, nude, one eye closed, onsen, open mouth, partially submerged, same-sex bathing, shared bathing, short hair, siblings, side ponytail, sisters, sitting, smile, towel, towel on head, twins, water
commentary request