Tianji Club!

The founder of Tianji Club is the contemporary crown prince.
Tianji Club accepts a new member every three years.
For every new member that comes in, an old member will leave.
The membership is always maintained at sixteen.
Therefore, in the Wu Kingdom, there are also the Sixteen Young Masters of Tianji.
Sixteen heroes.
Sixteen inches.
And so on.
It can be said that those who can enter the Tianji Club are all outstanding young people of the Wu Kingdom.
A person...