Rebate System In Apocalypse

A soul of ordinary college student, transmigrated in a body with same name, same apperance in his younger self with few changes. This all changes as a system bindes itself to him before all sh*t hit the fan. ... This story contains sexual contents with haram and few not so good scene which shows the dark side of humans. ... I hope you all guide me if when needed and give me lot's and lots of cas-.. I mean votes and comments. Bye.