Also known as "Guard"
Is there anyone in your life who protects you, just like you would protect him with your life?
When Wu Xin met Cheng Yan, she knew that she was going to fall into it.
Losing is to get something better. When you are grieving what you have lost, what you are about to gain will also be gone. So, remember, don't be sad.
Chengyan's way of not being sad is very simple, just close the door and go to Wuxin.