2girls, bare_shoulders, beach, black_eyes, blush, bottle, bow, braid, braided_bangs, buttons, collarbone, day, earrings, flat_chest, frilled_skirt, frills, grey_hair, hisakawa_hayate, idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_starlight_stage, jewelry, lace, long_hair, looking_at_another, midriff, multiple_girls, navel, open_mouth, otokura_yuuki, outdoors, partially_submerged, ribbon, sailor_collar, shirt, short_hair, skirt, sleeveless, smile, sunlight, water, water_bottle, wet, wet_clothes, white_sailor_collar, white_shirt, white_skirt, wrist_cuffs