How old is Fu Erkang, the new princess of Zhu Huan?

For an actor, the second floor is right. Role, about 20 years old.

Erkang is the biggest of these protagonists. Swallow and Wei Zi are 18 years old, and Yongqi is 19 years old. E Ertai only said that he was older than Little Swallow, and Erkang was E Ertai's brother, who should be around 20 years old.