"I'm tired of everything..."

Tired of his job and his marriage, Kihiro Sunao leaves everything behind and returns to the public bath run by his parents.

In front of the bathhouse, he runs into a stranger. He is Takano Shun. He is a college student staying at his parents' house.

Seeing his parents very happy to see Nao back home for the first time in a while, he is unable to tell them that he has come back after his divorce and retirement.

He tells his parents that he will be staying with them for a while, but for some reason he tells the truth to Shun who he shared a bath with that day...

Shun gives Nao warm advice, but...?

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