Strong male lead part 2

From weak to strong with a will to fight for injustice, and a burning need for revenge against his high school bullies.

Brawns for brains, but he tries hard to study

Returning from another planet, our mc thought a thousand years had gone by, but it was only ten years on earth. As he learns what has happened on earth he also has to retrain to get his previous strength back. It's good.