
S01E01 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.
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.
When a man's ex suggests a three-person marriage with her boyfriend, the trio face jealousy, social stigma and intimacy issues in their unique setup.