Tanaka and Yamada, students who came to their teacher's house for a study camp, are captivated by the teacher's beautiful and sexy wife, Maki. That night in the couple's bedroom, Tanaka peeks at Maki's Maki behavior as she masturbates after being refused by her husband for sex. The next day, Maki begins to seduce and play with Tanaka. She knew that Maki had been peeking at him the day before. Maki's Maki womanly nature is gradually revealed.