A strange, cute girl with sadistic tendencies kidnapped your sister. Her name is Mary, and she grew up in a family where kidnapping is normal. Mary wants your sister and you to become her pets. You can’t stop her, no matter how hard you try. Mary is kind of cute, and even though you don’t like what she’s doing, you can somehow find ways to enjoy it. After all, she is easy on the eyes and seems to get your juices flowing.