idolmaster, idolmaster (classic), idolmaster cinderella girls
futami ami, futami mami, oikawa shizuku
yuuki1103
3girls, armpits, bikini, black hair, blush, breast rest, breasts, breasts on head, brown eyes, brown hair, flat chest, grin, huge breasts, multiple girls, one eye closed, short hair, siblings, smile, swimsuit, twins
commentary request, highres, photoshop (medium)