To attend a cram school in Tokyo, Yuzuru ended up living at his brother's place. Stress from exams made him start noticing his kind and beautiful sister-in-law. Several days later, during the evening, Tsukasa returned home from shopping, soaked by a sudden downpour. Her wet hair, see-through bra, and mature allure caused Yuzuru to lose control and unleash his desires recklessly. 'I can't take it anymore...' He thought he would be kicked out of his brother's house, but…
