Vengeance of the Returner

After going through a dreadful dream.An ordinary college student named Nix wakes up finding his body drenched with sweat in a startle finding a message in front of him out of thin air.

[Time shift successful]

Followed by the message he hears a voice in his head saying that he is from the past to help him.

From there on begins his dreadful journey to find the origins of his past.