体操服に下着は必要？

score_9, score_8_up, score_7_up, score_6_up, score_5_up, score_4_up, source_anime, aaizumi, brown hair, low twintails, ahoge, hair ornament, hairclip, blue eyes, breasts,1girl, sunset hour, a lady , Gym uniform, bloomers pulled, nipples, bouncing breasts, shameful smile.