At school, she was a strict teacher. After classes, she indulged in affairs with her students, this lecherous woman had two faces. But recently, Chisato's student and lover Kato started seeking a relationship even within the school premises, causing her two-faced balance to waver. In the classroom, in the restroom, in the faculty room, no matter how much she tried to persuade him, Kato wouldn't listen. If found out, Chisato's teaching career would be over. She desperately held back her voice to avoid being caught. But the more she suppressed it, the stronger the sense of taboo became, eventually consuming even Chisato's reason...
