Rule 34 Dev - ! 6+boys :3 animal_ears bad_id bad_pixiv_id cat_boy cat_ears cat_tail chibi emiya_kiritsugu fang fate/zero fate_(series) kayneth_archibald_el-melloi kemonomimi_mode kotomine_kirei male_focus matou_kariya multiple_boys musical_note mwgi sleeping tail tail_pull tohsaka_tokiomi uryuu_ryuunosuke waver_velvet yellow_background|3194410986