I Wanted to Go Home So Badly, I Speedran Another World

Cheng Nan, a hero, defeated the Demon King in just two years and returned to Earth as he had always hoped. But 200 years had passed. Earth was now home to Awakened Ones with all kinds of abilities, and portals connecting it to other worlds had opened. Cheng Nan wanted to confront his System, only to discover it had already run off, leaving behind a hundred draws for defeating the Demon King. Humanity, unable to achieve interstellar travel, has drained Earth of its resources. Now, it has set its sights on other worlds. Having transmigrated back, Cheng Nan is forced into another world because humanity rejects him. Humanity’s vile deeds gradually come to light before Cheng Nan. And Cheng Nan sets out on the path of resisting the people of Earth.