Super God Academy: The Three Kings Have Been Looking for Me for 30,000 Years

This is a Super God fanfic. Multiple female leads, so don't read if you dislike that. The protagonist isn't invincible and grows over time. (If you don't like the Heavenly Palace Era, you can skip straight to chapter 60. It won't affect your enjoyment of what comes after.) After returning to the modern day, the protagonist temporarily loses his memories. If you think that sounds unbearable, you can leave now and save yourself from being a guinea pig. After transmigrating to the Super God Academy thirty thousand years in the past, Zhou Hao protects the Three Kings along the way and helps them overthrow the Heavenly Palace's rule, all so he can get home. But when he finally returns, he discovers that his original world has fused with the Super God Academy's. Zhou Hao panics. Liang Bing: "Hehe, you can't get away now." He Xi: "You said you would protect me." Kai'Sa: "I'll draw my sword for you." With the anime and reality intertwined, Zhou Hao has no choice but to face all kinds of challenges, including the Void at the end. What about the ordinary people, the regular soldiers? What can they do in this crisis beyond their comprehension? Will the world order change again? Is it a blessing or a curse if everyone becomes a Super Soldier? (There is a System, and elements from some other world settings will be incorporated.)