JUKF-021 My fuck buddy is my real sister Kanna (college student)

I have an older sister who is two years older than me and currently in college. We've been close since we were little, and when her breasts started to grow, we began secretly doing lewd things together. Recently, wanting to preserve memories with my beloved sister, I splurged on a video camera so we could record ourselves having sex. But one day, the most despicable senior in our neighborhood found out about the videos and ordered me to bring my sister to him…