PITV-028 Kurara Kirishima, my sister is also my girlfriend

I had been harboring feelings for a classmate and finally mustered the courage to confess, successfully making her my girlfriend. She is one of the most popular beautiful girls in school. I was at the peak of happiness. However, just as things were going great, my sister 'Kurara' suddenly said she had something important to tell me. My sister abruptly confessed to me, asking if we could go out together. In truth, I had always thought she was incredibly stylish, sexy, and adorable, and I had indeed harbored inappropriate fantasies about her… Torn by my sister's sincere feelings, I made a decision… To monopolize my overly cute sister's pure body!! The ultimate taboo experience of eroticism & lovey-dovey moments between brother and sister at their limits!! 'Big brother... Let me...'