It is rumored that Hinamori Amu of Holy Night College is a very strong student, and everyone thinks that she is a cool and spicy girl. In fact, she is a kind girl with a cold appearance. She lost herself to cover up her cowardice. Finally, Yameng asked the guardian spirit to give her the courage to change herself. To her surprise, three eggs appeared on the bed the next day. On the other hand, the school has a team-the guardian. They have a meeting in the Royal Garden after school. Must deal with all kinds of school affairs. There is also an unshirkable responsibility: the enemy who must fight-the Resurrection Society-looks for the legendary magical egg embryo that can realize any wish. Inadvertently, Prince Weishi of the Holy Night Academy discovered Yameng, who has three guardian eggs, and invited her to join the guardian. In The Battle of Guarding, Yameng's relationship with the son of Wei and his friends also developed. Yameng also met (Bai Chongxi). They welcomed a new rival Lulu. Lulu turned the children's eggs into mysterious eggs, was defeated by the guardian, and finally became good friends with Yameng. Later, several fights were controlled by the Resurrection Society and were rescued. At this point, the mysterious girl Hiiragi Rikka appeared again.