パート1 友達同士の素人大学生男女がキスだけで唾液100ml溜めるまで出られない密室からの脱出に挑戦！！

In this unique homemade experiment, amateur college students are locked in a room and tasked with a strange challenge. The video captures their raw, unscripted interactions and genuine chemistry as they attempt to fulfill the requirements of their high-stakes escape game.