Sumire and Ichika are investigating a criminal organization. The two are childhood friends who trust each other deeply, but one day Ichika suddenly vanishes. During an undercover mission, Sumire is captured by a woman connected to the group and subjected to underground confinement, where her captor attempts to break her resistance through lesbian training. Just as Sumire begins to show signs of strain, an unexpected figure appears before her… Actress Sumire Kuramoto takes on her first role focused on a lesbian relationship. Bonus footage features relaxed, out‑of‑character lesbian moments with the three leads from this popular series.