[No system][No melodramatic plot twists][Not mindless][Refreshing read]

He travels to a hopeless future world and becomes Son Gohan, a one-armed boy with a scar on his face.

It seemed like a hellish start, but even after crawling out of his grave, Gohan was all smiles.

Ha, despair? Watch me effortlessly crush all the bosses and ascend to the pinnacle of the universe.

What? The system?

I've already transmigrated into Son Gohan, what need do I have for a system?