Maruo punches his way into the monstrous world of Ayashimon yakuza with dreams of becoming a manga protagonist! When the chairman of the Enma Syndicate-the largest criminal organization in the Kanto region-dies, his death sends shock waves throughout the entirety of the Ayashimon underworld in Japan. These otherworldly criminal organizations are now on the brink of war, and the chairman's daughter Urara plans to come out on top. She's about to find an unlikely ally in the human world.a manga fanatic who wants nothing more than to be a manga hero! For his entire life, Maruo has wanted nothing more than to grow up and become like his favorite manga heroes. He spent his childhood training in the ways of Goku, Kinnikuman, Jotaro Kujo, and many others to become just like them. But his training went a little too well, and by the age of eight, he was able to break boulders with his bare hands! Maruo soon finds that being as strong as his favorite heroes isn't all that it's chalked up to be, and due to the fact that he breaks pretty much everything he touches, he can't find a job or stay in school. One day, after being fired from yet another job, Maruo comes across a young girl being chased by a group of thugs! But what he thinks is finally his chance to shine as the hero he's always wanted to be leads him into the Ayashimon-infested criminal underworld of Japan.