2girls, arm_behind_back, bad_pixiv_id, bikini, bikini_skirt, bikini_under_clothes, black_bikini, blue_sky, blush, breasts, brown_hair, cleavage, cloud, coffee, collarbone, cup, day, denim, denim_shorts, disposable_cup, earrings, ebifryman, green_hair, hair_bun, highleg, highleg_bikini, holding, holding_cup, idolmaster, idolmaster_cinderella_girls, innertube, jewelry, looking_at_viewer, medium_breasts, mole, mole_under_eye, multiple_girls, navel, outdoors, own_hands_together, pink_bikini, sakuma_mayu, shirt, short_shorts, shorts, single_bare_shoulder, single_side_bun, sitting, sky, stud_earrings, swimsuit, takagaki_kaede, tied_shirt, twintails