Kamiyama, who is about to take an entrance exam, an important turning point in his life, has been unable to concentrate on his studies. The main reason for this is the beautiful woman who lives across the street. He forgets about his studies and is captivated by the defenseless figure of his wife, who starts getting changed with the curtains open. There is no way that Kamiyama, burdened with such worldly desires, can concentrate on studying for the exam... Today, Kamiyama was peeking at his wife's clothes. As her front-hook bra came undone as usual, their eyes met...