Lay/ Zhang Yixing  - His name will be rotated through out the whole story between Lay and Yixing. He is an mortal that falls in love with the younest princess of the heavenly sky. 

Xu Ahyue - The youngest daughter of the heavenly sky Emperor. Immortal of her beauty and youth, she loves in love with an mortal during her trial down on Earth. 

Xu Yejeon - Emperor or his majesty of the heavenly sky,. Father of the ten princes and the five princesses. 

Wei Qian Qian -  Empress or her majesty of the heavenly sky, his majesty's wife. Mother of the ten princes and the five princesses. 

Her majestic - Former queen of the heavenly sky and the mother of the emperor. Grandmother of all the princes and princesses. 

Seohyun - Yixing's former lover. 

First Prince - Yunho 

Second Prince - Siwon

Third Prince - Changmin 

First Princess - Taeyeon 

Fourth Prince - Zhoumi

Second Princess - Yilin

Fifth Prince - Henry

Sixth Prince - Luhan 

Third Princess - Yimei 

Seventh Prince - Mark 

Eighth Prince - Chen 

Ninth Prince - Jackson 

Fourth Princess - Xuyue 

Tenth Prince - Sehun 

Fifth Princess - Ahyue 

Each of the princes and princess contains powers from their great grandfather, past down to all of them.