4girls, antenna_hair, bandeau, bare_shoulders, bikini, blue_bikini, blue_hair, blush, breasts, cleavage, collarbone, dark_blue_hair, embarrassed, full-face_blush, heart, holding, holding_towel, huge_breasts, idolmaster, idolmaster_million_live!, kitazawa_shiho, makabe_mizuki, multiple_girls, navel, nonohara_akane, polka_dot, polka_dot_bikini, solo_focus, strapless, strapless_bikini, swimsuit, t3_(t3only), tears, towel, toyokawa_fuka, upper_body, wavy_hair