He, Kaugetsu Kazotoriin, one of the four heavenly kings in Mugen City, was killed by Jubei who promised to protect him for the rest of his life. When he woke up again, he had been reincarnated. He wanted to live this life peacefully, but unexpectedly he fell in love with his father; he , was originally the proud son of the underworld, ruthless and cruel, but fell in love with his own son unknowingly. When he completely discovered their friendship, Huayue was also bruised and bruised by him... What kind of development will the two of them have? Stay tuned... This article is a bit cruel, but most of it is within the normal range. I hope you like it! Luoluo started~~