One-Punch Man

From Viz:
Every time a promising villain appears, Saitama beats the snot out of ’em with one punch! Can he finally find an opponent who can go toe-to-toe with him and give his life some meaning? Or is he doomed to a life of superpowered boredom? Note:
Was nominated for the seventh annual Manga Taisho Award in 2014, an Eisner Award in 2015 and a Harvey Award in 2016. Won the Sugoi Japan Award and the Spanish Manga Barcelona award in the seinen category in 2017.