What's the name of the heroine's brother in the cartoon "Stars on Me"?

Comic works are the stars in my mind, and Muzixing's brother is Muyuzi.

"Stars on Me" is a youth healing cartoon created by Dogon, which is serialized on the comic website.

When Mu Zi Xing was five years old, a beautiful boy-Xina suddenly appeared in her life and became her childhood friend.

When we first met, we were playing with mud and were rejected by Sina. We feel very annoying, but we don't know that this cold and ugly teenager around us has always been attracted by her cheerful and smiling face, and this mood is getting deeper and deeper with age.

Since the male master Sina, he is a magical existence. He is really different from ordinary children. He has been shining almost since he was a child. It seems that he can be relaxed and excellent and do everything well.