Rule 34 Dev - 3boys abs aqua_eyes black_hair closed_mouth forehead hana_ni_nare highres kamado_tanjirou kimetsu_no_yaiba long_hair male_focus multiple_boys muscular muscular_male one_eye_closed onsen open_mouth red_eyes red_hair scar shinazugawa_genya teeth tokitou_muichirou topless_male water|22518972216