Yoshino Junpei died, then he came back to life.
A noisy existence that calls itself the "Regret Recovery System" suddenly appears, binds him as its host, and claims to be able to redeem his regrets.
As long as he works hard to save other people's regrets.
The Inugami from Shikoku said he wanted Tamazhang to find happiness...
Amuro from Yoneka Town said she wanted five cherry blossoms that would not be separated...
Gin from Yokohama said she wanted her brother to have a wonderful childhood...
From...
Motto: You only live once, please make sure you have no regrets