As he prepared for his exams, our protagonist was asked to stay at his older brother's house while they studied together. However, he couldn't help but be captivated by the allure of his sister-in-law, whose beauty left him unable to concentrate on his studies. One day, when he caught sight of her lingerie, he became so aroused that he couldn't resist masturbating right there. To his horror, she had seen him! The next day, feeling guilty and desperate for release, he confessed everything to her.
