1girl, bra, breasts, brown_eyes, brown_hair, grey_bra, grey_panties, hibike!_euphonium, indoors, large_breasts, leg_grab, leg_up, long_hair, looking_at_viewer, navel, oumae_mamiko, panties, photo_background, ribbon_bra, ribbon_panties, sbel02, smile, socks, spread_legs, stomach, underwear, underwear_only, white_socks