I mustered up the courage to confess to a girl in my class, whom I had had a crush on for a long time, and finally succeeded in getting her to become my girlfriend. She is one of the most popular girls in school. I was at the peak of happiness. However, I was suddenly told by her younger sister, Kurara, that she had something important to say. Her sister suddenly pressed me to confess that she wanted me to go out with her. To tell the truth, I thought that my sister was very stylish, sexy, and very cute, and it was also true that I was delusional. My heart shook with her sister's straight feelings, and I made a decision... Monopolize the pure body of my sister who is too cute! ! Forbidden erotic kyun & flirting love experience that brother and sister unfold at the limit limit! ! "Onii-chan... I'll do it for you..."
