Airi is a typical Japanese housewife living a mundane married life. One day, she decides to relive her youthful “gal” days and gets picked up by three energetic young men without them realizing she’s actually a married woman with a daughter.

They head to a karaoke box where a simple King’s Game turns into an intense 4P orgy. Airi drowns in overwhelming pleasure from the vigorous sex with much younger partners, experiencing ecstasy she hasn’t felt in years.

In the second part, Airi can’t stop thinking about that night and spends her days masturbating furiously. Her world turns upside down when her daughter brings home a boyfriend to stay over — and he turns out to be one of the three guys from the karaoke night. Even worse, he is the son of one of Airi’s mom friends.

While her daughter sleeps, Airi secretly indulges in passionate sex with the young man again, fully aware of the dangerous taboo she’s crossing. This two-episode OVA explores themes of hidden desire, risk, and a married woman’s fall into forbidden pleasure.