1girl, ahoge, antennae, arknights, bad_deviantart_id, black_panties, black_skirt, black_tank_top, breasts, cleavage, demon_girl, demon_horns, demon_tail, feet_out_of_frame, grey_hair, horns, layton_(sanlayton), looking_at_viewer, lying, medium_breasts, on_back, on_bed, orange_eyes, panties, short_hair, skirt, solo, tail, tank_top, thigh_gap, underwear, w_(arknights)