Watch One-Punch Man - 03

: Genus’s "ultimate" creation is powerful but lacks the one thing Saitama has—a grounded spirit. He is a monster born of intellect, yet he is easily broken by Saitama's simplicity. The "Deep" Truth: The Secret of Saitama's Strength

: Saitama’s greatest enemy isn't a monster; it's the lack of a challenge that makes him feel alive.

: 100 push-ups, 100 sit-ups, 100 squats, and a 10km run every single day.