Stepmother Incest - My favorite teacher becomes my mother...

Masao's father, Ginji, decides to remarry when Masao gets a job. The person he was introduced to, without knowing anything about, turned out to be his tutor from high school, Misora. Masao, who was secretly in love with her, was unable to bless their marriage, saying, ``I can't accept that Misora-san is my mother!'' Misora ​​is friendly towards Masao, who comforts himself by fantasizing about Misora's lewd behavior every night. One day, Masao finally reached the limit of his patience and poured out his pent-up desires onto Misora's ripe body...