As the heir to the head of the flower arrangement school, Nanako runs the classroom. There are all sorts of people among the students who attend there. She is both a teacher and a young woman; one day, she is caught masturbating in the classroom by her student Yasukawa. Although he is a student at the flower arrangement class, Yasukawa is more than a decade older than Nanako. Facing Yasukawa, who is also an expert in bondage, Nanako has no choice but to become his plaything. The world of pleasure she never knew and the sense of taboo she had never felt. Nanako is swallowed by this massive current and falls. The path she ultimately chooses...
