The Journey to Immortality

Wu Junjie is a legendary hero written centuries ago. Zhou Mingyu is a lonely modern teen. Wu Junjie saved the human world by blocking it off from both the demon and spirit world. Zhou Mingyu works in a library and gets bothered by the boss's kid all day. Wu Junjie's adventures are world famous. Zhou Mingyu is so desperate for one that he wishes on a falling star. In the end, he got his wish except... Why did he have to transmigrate into the body of the useless sidekick who dies!?