"kukuku....... He Is The Weakest Of The Four Heavenly Monarchs." I Was Dismissed From My Job, But Somehow I Became The Master Of A Hero And A Holy Maiden「ククク……。奴は四天王の中でも最弱」と解雇された俺、なぜか勇者と聖女の師匠になる ; “Somehow I, a person who was dismissed with a “Kukuku… Even though that guy is one of the Four Heavenly Monarchs, he’s the weakest” became the master of both the Hero and the Saintess”