Jun's dick is so big that he has gotten into the habit of playing with it unconsciously. He is careful because he knows that women would be uncomfortable if they saw it, but his stepmother Ryoko finally points it out to him. However, instead of getting angry, Ryoko listens to Jun's troubles with his large penis and begins to ask, "Would you like to see it?" "I wonder if it's normal to show your dick to your stepmother, even if you're my stepmother..." Jun, who separated from his mother before he was even aware of it, didn't know what to do, but he swallowed his shame and took out his huge dick in front of Ryoko...