2girls, armpits, bare shoulders, bikini, black eyes, black hair, breasts, brown eyes, brown hair, denim, denim shorts, hair ornament, hairclip, idolmaster, idolmaster shiny colors, karya, kazano hiori, large breasts, mole, mole under mouth, multiple girls, navel, open mouth, ponytail, shorts, splashing, stomach, swimsuit, thighs, tsukioka kogane, wading, water, white bikini