1girl, aris_(blue_archive), black_hair, black_socks, blue_archive, blue_eyes, blue_necktie, blue_ribbon, blush, hair_ribbon, halo, jacket, legs, long_hair, looking_at_viewer, lying, matanukinuki, necktie, on_back, panties, ribbon, shirt, skirt, smile, socks, solo, spread_legs, underwear, very_long_hair, white_panties