OBA-059 My Friend's Mother - Noboru's mother who is called "Erotic Doctor" at school - Suzune Yagami

Hiroshi admires his classmate Noboru, who continues to create erotic trends at school. - ``Purchasing'' erotic books and ``distributing'' them to his classmates... Noboru started to be called the ``Erotic Doctor'' at some point. - One day, Hiroshi ends up visiting Noboru's house, which was his dream. - Erotic books are scattered around the room...and Hiroshi meets Suzune, the birth mother of the ``erotic doctor.'' - A few days later, Hiroshi is alone with Suzune at the Yagami family, but...