1girl, ass, black_headwear, black_shirt, black_wings, blue_archive, blush, covering_mouth, from_behind, halo, koharu_(blue_archive), looking_at_viewer, looking_back, mg_pong, off_shoulder, panties, pink_eyes, pink_hair, school_uniform, shirt, simple_background, solo, sweat, underwear, white_background, white_panties, winged_hat, wings