The Sannomiya couple had a big problem. The husband had a low sperm count, making the chances of natural conception extremely low. Infertility treatments are, of course, expensive, and the husband has become desperate and is treating his wife, Tsubaki, harshly. At that time, Tsubaki is invited to a neighborhood association meeting by Oshima, the chairman of the neighborhood association, where she is subjected to a series of humiliations under the guise of "infertility treatment." However, the intense pleasure she never got from her boring relationship with her husband is what drives Tsubaki's Kokoro and body...