Life gets pretty boring when you can defeat any villain with just one punch.
Nothing about Saitama passes the eyeball test for a superhero: his lifeless expression, bald head, and unimpressive physique.
Despite his appearance, this average-looking guy has a not-so-average problem—he just can't find an opponent strong enough to challenge him!
Garo has just left the Monster Association's hideout when he crosses paths with Saitama, who is in a tight spot. However, Saitama still doesn't realize that Garo is the Hero Hunter.
Later, King the Ripper can no longer contain his murderous urges and confronts Garo himself!