"Everyone, how was our couple's sex?" Takashi provocatively asks, his pride as Sumire's husband clashing with his increasingly extreme fetish for exposing their intimate life. What began as merely posting videos of Sumire changing clothes escalates into full public broadcasts of their marital sex. Takashi's desires spiral out of control, luring Sumire deeper into uncharted, terrifying territory. One Sunday, answering Takashi's invitation, Sumire is led to a place where multiple men await. This shocking turn pushes their marriage into a devastating new trial, threatening the very bond between them.