I was dating a girlfriend who wasn't a beauty but had a great personality, and I was starting to think about marriage. One day we went on a hot spring trip with her close-friend couple, and I met her friend Yuna (ゆな) for the first time — she was my ideal type and I fell for her at first sight. When I learned that Yuna had gotten engaged to her boyfriend, I was heartbroken. That night, seeing Yuna's beautiful body in the mixed-bath onsen, I knew it was wrong, but I forcibly ended up being intimate with her…
