OST'S

A terrifying God-class monster destroyed Earth in one punch and is now fighting Saitama!

"You're strong, but can you defeat me?" Magneton smirked.

Read about Saitama's epic journey as he travels through the galaxy and enters a timeline where he has retired from being a hero. Along the way, you'll find plenty of epic action, breathtaking adventures, an engaging storyline, and Saitama's normal, humorous, and laid-back personality!