Declaration of end of relations. Satori Sano Reiya Shinonome
At a drinking party with his classmates, Shingo gets upset when he dumps him, so they push him away and decide to go drinking at his house at the after-party. However, as soon as Shingo starts talking, she calls him and goes home, leaving Ryo and Riko alone. She tries to watch the DVD that Shingo left behind, but unexpectedly it turns out to be an AV with content about ``crossing the line with friends''...! ? In fact, the two, who had a delicate relationship, were inspired...!