Aika had two faces.One is her public face as a strict teacher.The other is her secret side, where she enjoys an affair with her student.She thought that Aika would continue to have fun by using two different faces.However, her students, encouraged by her immoral relationship with Aika, begin to seek relationships within the school...A school affair that is too dangerous and will end if found out.Aika can't control her student's outburst and desperately suppresses the voice that leaks out from her as she cums silently.