MDS-799 The sisters forced into training: Abeno Miku, Sato Airi

Having lost their parents early, two sisters were taken in by their father's older brother. That uncle was the madman who drove them to madness. He took turns using the sisters as prey to satisfy his desires. The sisters confirmed their love for each other and looked for chances to escape, but they were imprisoned and restrained by their uncle. In the end, he even called in accomplices and performed double internal ejaculation on the sisters. Faced with such a despicable uncle, the actions taken by the sisters were…