The story of Saitama, a hero that does it just for fun & can defeat his enemies with a single punch.
Runtime: 24
Starts: Makoto Furukawa, Kaito Ishikawa, Max Mittelman, Zach Aguilar, Hiromichi Tezuka, Shin'ya Hamazoe, Kazuhiro Yamaji, Yoshiaki Hasegawa, Robbie Daymond, Kyle Hebert, Shôta Yamamoto, Yôji Ueda, Sean Chiplock