Episode 1

After 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.

Episode 2

Takuzo 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.

Episode 3

Shinpei 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.

Episode 4

Mia 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.

Episode 5

After 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.

Episode 6

Mia 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.

Episode 7

Mia leaves the house after seeing Shinpei and Takuzo in bed together. As Shinpei worries about her, Takuzo questions Shinpei's feelings towards him.

Episode 8

Takuzo's mother, Natsuko, visits and is shocked to learn about her son's situation. Later, Mia decides to tell her own mother the truth.

Episode 9

Takuzo agrees to a one-week trial cohabitation with Tenma. However, Mia and Shinpei worry that he won't come back to them.

Episode 10

Mia realises she has underestimated the legalities of having children in a three-person marriage. Shinpei's brother makes him a surprising offer.

Episode 11

No overview available.