1boy boku_no_hero_academia boots braid braided_ponytail clenched_teeth engawaji gloves greyscale highres jumping male_focus mask monochrome rin_hiryuu simple_background solo teeth white_background  1boy blue_shirt boku_no_hero_academia brown_hair covered_mouth green_eyes green_scales hair_slicked_back looking_at_viewer male_focus monster_boy muscular muscular_male nekodou_(yukatin1000) one_eye_covered red_sash rin_hiryuu sash shirt short_hair shuriken sleeveless sleeveless_shirt upper_body weapon  !! 1boy back black_background black_hair boku_no_hero_academia braid dated dragon eastern_dragon ihara_kana long_hair male_focus rin_hiryuu scales shirtless solo tail