风间美吹在一天的早晨上班的路上很巧妙地邂逅神宫寺祥，让她感到做女人的自豪，还和他约好圣诞节相见，她后来得了乳癌不但没去约会还因为乳癌需要切下一边乳房。这件事令美吹非常沮丧，当她看过神宫寺祥的心理学菱后，立即振奋起来，辗转间，美吹成了寺祥的旁听生。

Ki-ichi Nakai acts university professor Jinguji studying psychology. For his heartless character, the university students are afraid of him. One day, Jinguji saves fashion model Misaki (Izumi Inamori) at a station. Then, a love story between the cold professor and the model starts. Later, a doctor informs Misaki of cancer, and removes her nipples. Sharan Q vocalist Tsunku acts a supply teacher of the university, and Shinobu Ohtake acts a woman professor named Tsuzuki.