MDS-799 — Two Sisters Who Were Trained And Trapped: Miku Abeno And Airi Sato

Two sisters lost their parents at an early age and were taken in by their father's older brother. Their uncle was a crazy man who turned their lives upside down. He took turns preying on the sisters to satisfy his desires. The sisters confirmed their love for each other and looked for a chance to escape, but they were held captive by the uncle. In the end, he called his friends and double-cummed inside the sisters. What actions did the sisters take in the face of their uncle's endlessly despicable behavior?