1girl, aqua_eyes, bare_arms, between_legs, black_shorts, blonde_hair, blush, collarbone, crop_top, grey_tank_top, hair_between_eyes, hair_ornament, hair_scrunchie, hand_between_legs, idolmaster, idolmaster_cinderella_girls, long_hair, midriff, open_mouth, pink_scrunchie, sakurai_momoka, scrunchie, short_shorts, shorts, sitting, sleeveless, solo, sportswear, stomach, stretching, sweat, tank_top, white_background, wooden_floor, yama_tatsuo