2girls, ^_^, ^o^, aa211108, animal_costume, animal_ears, arm_support, bikini, black_bikini, blunt_bangs, blush, breasts, brown_hair, cat_costume, cat_ears, cat_tail, cleavage, closed_eyes, collarbone, hand_on_another's_back, hat, ichihara_nina, idolmaster, idolmaster_cinderella_girls, large_breasts, looking_at_another, lying, lying_on_person, mifune_miyu, multiple_girls, on_stomach, ponytail, side-tie_bikini_bottom, sidelocks, simple_background, smile, straw_hat, swimsuit, tail, white_background