1girl, ass, atte_nanakusa, backpack, bag, blush, from_behind, greyscale, hair_bobbles, hair_ornament, kneehighs, loli, long_hair, looking_at_viewer, looking_back, lying, monochrome, on_stomach, open_mouth, original, panties, randoseru, shirt, short_sleeves, socks, solo, spread_legs, two_side_up, underwear