1girl, aqua_eyes, armpits, arms_behind_head, arms_up, black_hair, black_thighhighs, blue_one-piece_swimsuit, blush, breasts, cleavage, closed_mouth, competition_school_swimsuit, couch, from_side, hair_ornament, hair_scrunchie, hatakenaka_(kamagabuchi), indoors, knee_up, large_breasts, looking_at_viewer, medium_hair, on_couch, one-piece_swimsuit, original, reclining, school_swimsuit, scrunchie, short_twintails, sideboob, sidelocks, sitting, smile, solo, swimsuit, thighhighs, thighs, twintails, white_background, white_scrunchie