In April of the first year of the Heisei era, Liaoxi Middle School student Hidaka Ippei competed with his opponent (and also his friend) Kuroki Kai for the championship of the Japanese Martial Arts Competition. When the competition was in full swing, the two were surrounded by a burst of white light and disappeared at the same time. When Ippei woke up, he found himself in a completely unfamiliar world - the sky world. At that time, the God of Destruction Shihua was ready to move. In order to protect the peaceful and tranquil sky world, the God of Reconciliation Huiming summoned Ippei and Akai to reincarnate as "Shura King" and "Yaksha King" to gather the brave and upright Eight Divisions. However, during the reincarnation process, Akai was confused by Shihua and his temperament changed drastically, becoming an enemy of the heavens. The commander-in-chief of the heavens, Indra, took the opportunity to petrify Master Huiming. Dragon King Ryouma, Garuda King Riga, Heavenly King Joga, and Asura King Ippei learned the truth and escaped. Then they fought with the Eight Divisions, including the Dharva King Takaya, Kinnara King Renga, Mahoraga King Ada, and Yaksha King Akai. The internal struggle of the Eight Tribes accidentally fell into the trap of the God of Destruction...