The anime "One Punch Man" is based on the hugely popular manga with over 35 million copies in circulation, created by original author ONE and manga artist Yusuke Murata. It depicts the daily life of the laid-back yet strongest hero Saitama (CV: Makoto Furukawa), who defeats any enemy with "one punch," and the exploits of heroes fighting monsters. The TV anime's first season aired in 2015, and the second season in 2019.

Episode 34 "Immortal Muddy Battle"
Synopsis:

Zombieman, who can recover from any fatal wound, faces off against Vampire, a bloodsucker who has inherited supernatural blood through generations. A blood-soaked grueling battle begins between the immortal Zombieman and Vampire, who can heal any wound by sucking blood! Meanwhile, in another location, A-Class heroes Iaian, Okamaitachi, and Bushidrill encounter the monster Super S. The private mercenary unit sent in by Narinki has been manipulated by Super S, forcing the three into an unexpected struggle. At that moment, the handsome masked hero Amai Mask appears gallantly...

(C)ONE・村田雄介/集英社・ヒーロー協会本部

English