Rule 34 Dev - 4boys bad_id bad_pixiv_id blue_hair celtic_mythology cu_chulainn cu_chulainn_(fate) cu_chulainn_(fate/stay_night) dark dog faceless faceless_male fate/stay_night fate_(series) fine_art_parody goldfish_(artist) indoors irish_mythology male_focus multiple_boys parody polearm ponytail robe spear weapon aged_down|6031034568