1girl, alpha-type, arm_support, ass, bag, black_hair, black_socks, chainsaw_man, classroom, desk, dress, fourth_east_high_school_uniform, from_behind, grey_eyes, hand_on_own_ass, indoors, kneehighs, kneepits, long_hair, long_sleeves, looking_at_viewer, looking_back, low_twintails, mitaka_asa, on_chair, on_one_knee, panties, parted_lips, pinafore_dress, public_indecency, school_bag, school_desk, school_uniform, shadow, shirt, sleeveless, sleeveless_dress, socks, solo, sweat, twintails, underwear, white_panties, white_shirt