Kazuki Kamo who fell into hell because of mistaken identity.Burning in hellfire for an eternity, his soul became defiled, and he decided to perform a purification ceremony in a world where youkai were rampant.In order to speed up the purification of his soul, he becomes an onmyoji, but due to the enormous amount of divine energy he received from King Enma, only peculiar guys gather! ?Yamahime, a descendant of the Great Tengu, and even a youkai to subdue.“Great King Enma, don’t give me an unnecessary event…!”Accompanied by a group of rogues, Kazuki's fateful youkai extermination journey now begins.Come back from Hell! Musou Yorozuya, a boy onmyoji, opens!