Disease: sister control
Initial symptoms: My favorite thing to drink is tea made by my sister, and my favorite thing to do is to go home and stay with my sister...
The middle stage of sister control: Whoever touches my sister, I will kill his whole family
Severe deterioration: This layer of skin is really in the way, the layer of skin that separates us is so in the way... Liuli, I want to get inside... You
Late sister control: "Liu Li, you must always be by my side. If you run away, I will kill you. Of course, I don't mean killing you, but killing everyone you like and everyone you are attached to..."