Attack from the core

Synopsis: Sai, the leader of a successful company in the year 2090, is betrayed by his best friend Oscar, who attempts to kill him over a woman named Fang Chyou. Luckily, Sai has a prototype time travel watch and manages to escape to the year 2010. Filled with rage and a desire for revenge, Sai aims to change the course of events, save his mother, and prevent a catastrophic event known as "The Attack From the Core."