An action gag comedy about a man who was misdiagnosed and was told he had only a short life expectancy, but became a Showa tengu and fought against the evils of the world. Shusaku Chiba, a middle-aged man who has a strangely samurai temperament, values ​​his health so much that he walks two hours to get to work. Chiha, who had undergone a thorough examination once a week, found a black tumor in his head X-ray, was diagnosed with "heavenly disease" that could not be cured by modern medicine, and was told that he had a life expectancy of 358 days. You can...!?