One-Punch Man Manga Volume 16 features story by ONE and art by Yusuke Murata.

Surrounded by heroes, Garo finds himself in a tight spot. But despite the great numbers, he defeats the heroes one by one with his unmatched strength before Genos comes rushing in! Meanwhile, Saitama is reaching the height of irritation in his own battle…with King?!

One-Punch Man Manga Volume 17 features story by ONE and art by Yusuke Murata.

Despite his best efforts, Garo is no match for the overwhelming skill of Bang and his brother. In fact, the hero hunter is near death when the Monster Association attempts to steal him away, unleashing Centichoro in the process. Bang and company take the threat-level Dragon monster head-on before Genos boldly enters the fray!

One-Punch Man Manga Volume 18 features story by ONE and art by Yusuke Murata.

Garo has just left the Monster Association’s hideout when he crosses paths with Saitama, who’s in quite a pinch, but Saitama still doesn't know Garo is the Hero Hunter. Later, King the Ripper can no longer hold back his murderous urges and confronts Garo himself!

One-Punch Man Manga Volume 19 features story by ONE and art by Yusuke Murata.

The Monster Association has kidnapped Tareo, the boy who admires Garo, and now Garo finds himself plunging headfirst and alone into the heart of the Monster Association’s hideout. Meanwhile, the Hero Association pushes forward with its operation to rescue Waganma, while Genos and the others are living it up enjoying hot pot at Saitama’s place!

One-Punch Man Manga Volume 20 features story by ONE and art by Yusuke Murata.

Immediately before the big Monster Association battle, the Class-S heroes hold a strategy meeting. Unfortunately, they just aren’t in sync, and when Amai Mask barges in, the situation only gets worse. Thankfully, King appears just in time to boost their morale—and it’s a good thing, too, because the big monster battle begins!