Nishida Kensuke

This dark fantasy story centers on Yukio, a hero who instantly defeats the Demon King and becomes a hero of his time. Yukio, who has everything he desires and considers himself "the happiest man in the world," gradually finds himself losing his sense of joy in everyday life. Despite having everything, Yukio begins to see ordinary people walking the streets as happier than he is. Unable to understand why, he agonizes over the matter and eventually takes action.

Shintarou Jagasaki, who is a neighborhood police officer, lives with his girlfriend while working a job that is killing him slowly with annoyance. It looks like he will end up marrying soon and live a boring life with a nuclear family - a grim future for a guy with dreams! One such day, a mysterious monster appeared on the train and he suddenly can shoot with his right hand like Master Buppanatsu, the eggplant mascot of his city!

A spin-off to the popular zombie manga I am a Hero, set in Nagasaki.