How old are the stars and me for people to see?

Stars and I are suitable for people from 9 to 12. According to public comments, the suitable reading age for stars is 9 to 12, and children can watch it. Star belongs to a juvenile comic book for me, which was published on July, 2022 1. When Mu Zi Xing was five years old, a beautiful boy, Sina, suddenly appeared in his life and became a childhood friend.