Once the top war god of the Underworld, he has been reincarnated as an ordinary high school student. However, as fate’s wheel turns, with the collapse of heavenly law and the emergence of evil in the world, he must don his battle armor again. Guided by the aloof goddess Black Impermanence, he fights the Ghost Emperors of the Five Directions and battles the Ten Yama Kings. The king returns, breaking through the Three Realms, dominating the world, and restoring the cycle of reincarnation with unmatched power—none shall rival his supremacy!