The Rise of the Waste Material, Lord of the Sky

A young man who traveled through another world, fought monsters and upgraded all the way, and finally became the Lord of All Realms. However, he fell because of the betrayal of his wife and good brother. Unexpectedly, his soul was unexpectedly reborn, and he was 12 years old again. From then on, he started a journey of revenge in which he became domineering after rebirth.