Marika Amami, a strong-willed sports teacher, has temporarily relocated for her job, leaving her university student husband Yuuto behind. Lonely in her new environment, she finds herself forced into a sexual encounter with her student Yuuki. The next day, the apartment manager Torao discovers their secret and blackmails her with a compromising photo, spending an entire day violating her in her own apartment.

When Yuuki arrives to check on her unexplained absence from school, he joins Torao in ravaging Marika’s body. Meanwhile, Yuuto notices his wife’s strange behavior and is lured by his classmate Rumi into a compromising situation of his own.

In the second episode, Marika is further manipulated into appearing in an AV production. Yuuto, held captive by Rumi, is forced to watch his wife’s video while being seduced. Marika is eventually rescued by Yuuki, but the damage to their marriage is severe. The couple drifts further apart both physically and emotionally as betrayal and forbidden pleasures erode their bond. This OVA explores dark themes of infidelity, blackmail, and the painful consequences of separation in a once-loving marriage.

Based on the erotic game by Lune TeamBitters.