Utae and Aiko attend an all-girl private school where the devoutly religious principal seems to be raping some of the students, including Utae.
A college professor wants to bring the joys of sex to his frigid wife. He convinces his son in law to sleep with her because the idea arouses him, while also making him insanely jealous. The professor keeps a journal of his fantasies in a locked cupboard and hopes that his wife will find the key and read it.
Sold into prostitution by her "uncle", a young girl is so innocent and naive that she doesn't know what she has to do.