idolmaster, idolmaster (classic), idolmaster 1
futami ami, futami mami
tanaka shoutarou
2girls, antenna hair, ass, bar soap, barefoot, bathing, bathroom, bathtub, blush, breasts, brown eyes, brown hair, bubble, collarbone, completely nude, convenient arm, dutch angle, flipped hair, from above, grabbing, grabbing another's breast, grin, groin, incest, indoors, looking at viewer, looking up, multiple girls, nude, on floor, one side up, page number, parted lips, same-sex bathing, seiza, shared bathing, short hair, siblings, sisters, sitting, small breasts, smile, soap bubbles, tile floor, tiles, twincest, twins, water, wet, yuri
highres, scan