engo (aquawatery), hagiwara yukiho, shijou takane, idolmaster, idolmaster (classic), silver hair, 2girls, bad anatomy, barefoot, bikini, breasts, brown eyes, brown hair, casual one-piece swimsuit, cleavage, flip-flops, full body, hairband, holding, holding shoes, holding unworn clothes, long hair, multiple girls, o-ring, o-ring bikini, one-piece swimsuit, poorly drawn, red eyes, sandals, shoes, short hair, simple background, swimsuit, unworn shoes, white background