It might be a good idea for you to be examined by an orthopedic specialist to make certain there is not some abnormality that you should know about that would hinder you from strengthening your ankles through focused exercise and physical therapy.
As usual, Clark-san and I are on the same page.
Before you can solve a problem you have to know what it is.
See a sports orthopedic and then a sports physical therapist.
The do the daily discipline.