One Punch Man 2 (2019)

After defeating Boros, Saitama returns to his boring life in City Z. Meanwhile, the number of monsters is rapidly increasing, putting the Hero Association in crisis. Amidst the chaos, Garou emerges, a man who proclaims himself a monster and begins hunting heroes without mercy. A former disciple of the legendary Silverfang, he challenges everything and everyone with frightening strength. Intrigued by this new opponent, Saitama decides to participate in a martial arts tournament, unaware that an even greater threat is about to put all of humanity at risk.