Soichiro Aiba works as a tax collector evaluating financial situations and assisting delinquent taxpayers find ways to pay their dues, seizing properties when necessary, while approaching cases with empathy and trying to help.

Soichiro Aiba (Fuma Kikuchi) works in the tax department at city hall. His job is to get people to pay taxes that are past due. For that, he evaluates their financial situation and visits their home. Sometimes he seizes their property and urges them to pay their tax. While dealing with tax issues, he approaches them with his heart and tries to find ways to help them. Soichiro Aiba used to be a bureaucrat in the Ministry of Finance, but, for some reason, he quit his job there and began working as a tax collector.—AsianWiki