The couple:

1. Li Wei (22) : A prodigy who is a professor of theoretical physics at Tianjing University. He is warm-hearted, quiet, and introspective, and deeply in love with his wife, An Mei. Li Wei was raised by his five older sisters after the death of their parents.

2. An Mei (23) : A successful and beloved novelist. She is sweet, kind, and gentle, and equally in love with her husband, Li Wei. An Mei comes from a middle-class background but has adapted perfectly to the wealthy and eccentric Li family.

Li sisters (The Five Dragons) : Li Wei's five formidable older sisters who run the Wu Long Group, a global conglomerate, which has its headquarters in Tianjing City. The Li sisters are very protective of both their little brother, Li Wei, and their little sister-in-law, An Mei.

1. Li Fen (Da-jie, 36) : CEO (Chief Executive Officer) of the group and matriarch of the family. She is stern and no-nonsense but deeply cares about her family. Li Fen is a natural leader and a highly capable and cunning businesswoman.

2. Li Hua (Er-jie, 34) : Fierce and sharp CLO (Chief Legal Officer) of the group and a former national taekwondo champion. She was Li Wei's first teacher. Li Hua is secretly caring but rarely shows it outwardly. She is also constantly butting heads with Li Jing.

3. Li Na (San-jie, 32) : CFO (Chief Financial Officer) of the group. Li Na is meticulous and analytical but also quite sentimental. She is emotionally the closest to Li Wei among his sisters and most similar to him in personality. While she is usually quiet, she is a highly capable leader, as exemplified by her role as CFO. She is often Li Jing's accomplice in her schemes.

4. Li Jing (Si-jie, 30) : Charismatic, passionate, and impulsive CBO (Chief Brand Officer) of the group. She is the face of the group as its top model and an A-list celebrity. Li Jing is the sister who teases Li Wei the most and gives him the most gifts. Li Hua is her archnemesis, but they still deeply care for each other as sisters.

5. Li Yue (Wu-jie, 28) : CTO (Chief Technology Officer) of the group. Li Yue is a tech genius and avid gamer. She is the most friendly with Li Wei among his sisters and is often his gaming companion. Li Yue subsists on a diet of chips and soda.

An Family:

1. An Jing/An Ying (18) : Student at Tianjing University. She is An Mei's resourceful and highly capable younger sister and is usually on the lookout for new ways to get free stuff at the college cafeteria. She is also Li Wei and Li Yue's gaming buddy. She prefers the name An Ying (heroic), but everyone still calls her An Jing (quiet). She once thought of changing her name but gave up, as there were much more interesting things she could be doing. She is closest in temperament to Li Fen.