Since it is a shadow, it must be the same as its master. The appearance of the master, the figure of the master, and all the habits of the master must be the same. But this is equivalent to giving up one's self. For those who have developed one's self, this is very difficult and has little effect. Therefore, Ying needs to be trained from a very young age, grow up with his master, receive all the master's education, and learn everything about his master, including his words and deeds. Even a small act of drinking water. Without a mission, Shadow can only survive by hiding in the dark. Only when you replace the master can you have your own sunshine. Therefore, the shadow is sad.
Concept: The heroine desires herself and works hard for it