Rule 34 Dev - 1boy blush body_markings brown_hair brown_jacket brown_pants character_name collared_shirt demon_boy dress_shirt earrings fang feet_out_of_frame fingernails half-closed_eyes invisible_chair jacket jewelry kamado_tanjirou kimetsu_no_yaiba kkk_0mg looking_at_viewer male_focus neck_ribbon pants red_eyes red_ribbon ribbon scar scar_on_face scar_on_forehead sharp_fingernails shirt short_hair sitting slit_pupils smirk solo twitter_username untied veins white_background white_shirt|16440283197