Soutai Sekai  

The Relative Worlds, ソウタイセカイ, Parallel Worlds

In 2020, the narrative unfolds in Japan as Shin Hazama faces a new reality. A parallel version of himself from an alternate Japan emerges, causing a rift in his everyday life that he thought was immutable. As the world transforms completely, young individuals must grapple with making decisions and forming opinions on this unexpected turn of events. The struggle between two worlds and two versions of Shin Hazama ensues.