nano machine

after being held in disdain and having his life put in danger, an orphan from the demonic cult, cheon yeo-woon, has an unexpected visit from his descendant from the future who inserts a nano machine into cheon yeo-woon’s body, which drastically changes cheon yeo-woon’s life after its activation. the story of cheon yeo-woon’s journey of bypassing the demonic cult and rising to become the best martial artist has just begun.