Sannin Fufu

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. (Source: Netflix)

Takuzo realizes Mia is only using him to get Shinpei to marry her. After a chat with his coworker, he decides to attend a matchmaking party. (Source: Netflix)

Shinpei takes Takuzo up on his suggestion of a hot spring trip and invites Mia along. During a stop en route, Takuzo runs into his ex-girlfriend. (Source: Netflix)

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. (Source: Netflix)

After Mia realizes that Takuzo and Shinpei feel jealous about each other's closeness with her, she hopes they can figure out how to get along (Source: Netflix)

Mia grows unsettled by Takuzo and Shinpei's newfound closeness. When the guys go fishing together, Mia's friend hints that they might become intimate. (Source: Netflix)

Mia leaves the house after seeing Shinpei and Takuzo in bed together. As Shinpei worries about her, Takuzo questions Shinpei's feelings toward him. (Source: Netflix)

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. (Source: Netflix)

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

Mia realizes she has underestimated the legalities of having children in a three-person marriage. Shinpei's brother makes him a surprising offer. (Source: Netflix)

As Takuzo and Mia wonder how to move forward with Shinpei out of the house, Natsuko drops by unexpectedly and offers some insightful, motherly advice. (Source: Netflix)