1girl, @_@, ass, black_hair, blush, breasts, kneehighs, large_breasts, long_hair, looking_at_viewer, milestone_celebration, nekomugiharu, open_mouth, original, satou_mei, school_uniform, serafuku, shirt, simple_background, skirt, socks, solo, sweat, tears, thighs, underwear, uniform, unworn_skirt