Some time before the actual action begins, five masked terrorists of unknown gender destroy a major biotechnology plant. The policewoman Maekawa has already arrested an exhibitionist in the act on the train before she goes on duty. Classes in school are proceeding as scheduled, while policewomen Maekawa and Reika go on patrol, Maekawa gossiping about the latest rumours about her boss. An operation near the school against one of the terrorists leads to an exchange of gunfire, during which a container with an unknown substance is damaged and released.
A few moments before this, some remarkable events are going on in the school: because he had sent pictures of his private parts while using them to her mobile phone, the teacher Shiori reprimands the student in private. The student Mako meets the old caretaker while searching for the missing baseball. Her friend Miho stands further away from the two, and in the teachers’ gents, Natsuki tries to confront the teacher who had taken inappropriate photos of her.
When the substance reaches the school, almost every student and teacher immediately leaves the building and starts pleasuring themselves or each other. At an old teacher’s house, the students Akane and Tsubomi remain behind, with Akane managing to knock Tsubomi out with a well-aimed fist punch. The substance seems to make females and males desperate to have sex with each other. However, the affected individuals can still act in a planned manner within certain limits. During the ongoing fight with the terrorists, the policewomen even receive air support from their boss …
感染ソドム, Kansen Sodom, 감염 소돔