Rule 34 Dev - 6_eyes bite bite_mark bleeding bloody_nose broken_nose crying crying_with_eyes_open degradation degrading demon demon_king demon_slayer doggy_style dominant dominant_male from_behind fucked_into_submission gag gagged gagging gay gay_anal gay_male hair hair_pulling half-dressed hickey hickey_marks kimetsu_no_yaiba kokushibo michikatsu_tsugikuni mlm multi_eye muzan_kibutsuji nipples no_visible_genitalia pulled_by_another punishment red_ass red_eyes red_sclera skinny smirk smirking submissive_male tie_as_gag tied_hair|9379093944