Shall we begin the experiment...? Eleven former students, both male and female, are gathered by their former homeroom teacher under the pretense of a reunion, only to be imprisoned in the school building for three days! The male students take on the roles of guards, monitoring the female students who are cast as prisoners! Taking advantage of the situation where the prisoners cannot defy the guards, the males attack the females! Even if they are forcibly violated, they have no choice but to accept it in order to survive and escape... Their bodies are robbed of their freedom by sleeping pills, numbness drugs, and aphrodisiacs, and they are toyed with by the males! Under the extreme pressure of this situation, the bonds between the former classmates gradually begin to crumble...
