idolmaster, idolmaster (classic)
futami ami, futami mami, kikuchi makoto
kawamura tsukasa
3girls, barefoot, beach, bikini, blush, cloud, covering privates, day, feet, flipped hair, hair bobbles, hair ornament, multiple girls, ocean, one-piece swimsuit, outdoors, running, siblings, side-tie bikini bottom, side ponytail, sisters, sky, swimsuit, twins, wardrobe malfunction
commentary request, photoshop (medium)