Synopsis

Having been summoned to the alternate, game-like universe of the Whole Plane ten years ago by mysterious angelic beings, Soohyun has finally reached the Apex of the world. But at what cost? Using his privilege as the Apex, Soohyun invokes the power of Code Zero to go back ten years and rectify his past filled with tragedy. (Source: NHN comico Corp.)[Written by MAL Rewrite]