A male and female amateur college students who are friends try to escape from a locked room where they cannot leave until they have accumulated 100 ml of saliva from just kissing! Will the two who stay in close contact transcend the boundaries of friendship and even have sex?
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！！密着状態が続いた2人は友情の垣根を超えてSEXまでしてしまうのか！？