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Nitpicking turns into a fight then divorce for Mitsuo and Yuka. Later Mitsuo hurts his back and happens upon his ex-girlfriend Akari’s massage clinic.

Mitsuo is stunned when Yuka submits divorce papers without his consent. He sees Akari’s husband Ryo being friendly with women and tells her so.

Mitsuo gets into social media and browses Yuka’s golf pictures. Yuka was with a guy she met at a mixer. Another day, Akari goes to Yuka’s dry cleaner.

Akari enters as Mitsuo hears why Ryo didn’t file the marriage application. Yuka watches pro wrestling with Aiko, planning to tell her of the divorce.

Akari realizes Ryo has not filed their marriage papers. Mitsuo goes to the hospital with broken ribs. Ryo asks Akari to redo the marriage papers.

Yuka suggests to the exhausted Junnosuke to take a nap in the bedroom, and she jumps in the shower. Just then, Aiko calls in unexpectedly.

Mitsuo and Yuka tell Aiko they are divorced. The next day Aiko asks if Yuka won’t reconsider. Mitsuo tries to act as mediator between Akari and Ryo.

Mitsuo is upset by Yuka’s disappearance. He takes her father sightseeing and reveals the divorce. Aiko and Yuka meet at a pro-wrestling match.

Mitsuo invites Akari to the races. Yuka kisses Ryo but doesn’t recall it later. Yuka sees Akari at the supermarket and notices her betting slips.

Yuka tells Mitsuo they can work it out if he becomes the father of Akari’s child. Later he visits Ryo’s art school and hears he’s in hospital.

Mitsuo hears that Yuka is auditioning for an adult video and tells her how he feels. Mitsuo’s dad finds out he’s divorced and calls a family meeting.