2boys 2girls ashido_mina bakugou_katsuki bangs black_sclera bodysuit boku_no_hero_academia breasts bright_pupils colored_sclera domino_mask graphite_(medium) greyscale highres horikoshi_kouhei horns long_hair looking_at_viewer mask monochrome mount_lady multiple_boys multiple_girls necktie open_mouth school_uniform sero_hanta short_hair simple_background sketch skin_tight skirt spiked_hair traditional_media u.a._school_uniform white_background