The Strongest in the Crossover Multiverse

I transmigrated and became Saitama. I went bald, and I got stronger.

Then one day, the System awakened. I was about to bring it out and punch it, but it offered me something I couldn't refuse: it would make my hair grow back.

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.