The school nurse 'Kodue' is a popular beauty among students. However, in private, she has been trained by her masochistic husband to be an S-type woman, to the point of tormenting his anus every night. One day at school, she receives a lewd consultation from a male student who has become interested in anal sex and gently guides him, ensnaring him. The completely infatuated student is invited home for an unspeakable extracurricular lesson...
