1girl, o, arched_back, ass, bare_arms, bare_legs, black_bra, black_panties, blush, bra, breasts, brown_hair, butt_crack, chair, chalkboard, desk, gym_uniform, indoors, long_hair, looking_at_viewer, medium_breasts, original, panties, ponytail, purple_eyes, red_track_suit, school_chair, school_desk, shoulder_blades, sidelocks, solo, standing, sweatdrop, tag, track_suit, unasaka_ryou, underwear, window, wooden_floor