Season 1

2025 · 11 episodes

When a man's ex suggests a three-person marriage with her boyfriend, the trio faces jealousy, social stigma and intimacy issues in their unique setup.

1Episode 1After her boyfriend Shinpei says he'd be willing to get married if a third person is involved, a flustered Mia takes him to meet her ex, Takuzo.
2Episode 2Takuzo realises Mia is only using him to get Shinpei to marry her. After a chat with his coworker, he decides to attend a matchmaking party.
3Episode 3Shinpei takes Takuzo up on his suggestion of a hot spring and invites Mia along. During a stop en route, Takuzo runs into his ex-girlfriend.
4Episode 4Mia struggles to suppress her sexual urges. When Takuzo gets an urgent call from work, he entrusts Mia and Shinpei with his share of the chores.
5Episode 5After Mia realises that Takuzo and Shinpei feel jealous about each other's closeness with her, she hopes they can figure out how to get along.
6Episode 6Mia grows unsettled by Takuzo and Shinpei's newfound closeness. When the guy's go fishing together, Mia's friend hints that they might become intimate.
7Episode 7Mia leaves the house after seeing Shinpei and Takuzo in bed together. As Shinpei worries about her, Takuzo questions Shinpei's feelings towards him.
8Episode 8Takuzo's mother, Natsuko, visits and is shocked to learn about her son's situation. Later, Mia decides to tell her own mother the truth.
9Episode 9Takuzo agrees to a one-week trial cohabitation with Tenma. However, Mia and Shinpei worry that he won't come back to them.
10Episode 10Mia realises she has underestimated the legalities of having children in a three-person marriage. Shinpei's brother makes him a surprising offer.
11Episode 11

Episodes