Shimazaki in the Land of Peace manga volume 1 features story by Gouten Hamada and art by Takeshi Seshimo.

After surviving a terrorist incident as a child, Shingo Shimazaki was forced to join the League for Economic Liberations' revolutionary army. Now, thirty years later, he's back in Japan and trying to assimilate to a normal life. His Japanese may be awkward, and his grasp of ordinary tasks a little weak, but he has all the combat and surveillance training of a green beret. There are many kindhearted souls who want to help him - and a few not so kind ones who will do anything to stop him.

Shimazaki in the Land of Peace manga volume 2 features story by Gouten Hamada and art by Takeshi Seshimo.

Forced to become a covert operative for the international terrorist group LEL, Shingo Shimazaki has escaped and is back in his native Japan, doing his best to live a peaceful life. He has a job at a local coffee shop, where he feels happy and comfortable—until the arrival of a certain wayward young man brings a world of trouble down on his beloved Café Lupaso. Will Shimazaki be forced to use the skills he learned in war to secure his own peace—?

Shimazaki in the Land of Peace manga volume 3 features story by Gouten Hamada and art by Takeshi Seshimo.

Shingo Shimazaki, kidnapped as a child and forced to become a covert operative for the terrorist League for Economic Liberation, is trying to leave his life of violence behind - but the LEL has other ideas. After a bloody skirmish, Shimazaki makes it home wounded but alive. Returning to the smaller yet no less significant battles of everyday life brings its own challenges, however, along with a succession of firsts: shopping for clothes, raising a puppy, becoming a mascot for the local shopping district…?!

Shimazaki in the Land of Peace manga volume 4 features story by Gouten Hamada and art by Takeshi Seshimo.

Former covert operative Shingo Shimazaki has finally found an oasis of peace in his native Japan…but the League for Economic Liberation is hot on his trail, determined to drag the deserter back into their bloodsoaked world.

Despite his determination to renounce violence, Shimazaki will do whatever it takes to protect the ones he loves—!