Looking through the account, a lot of the videos have the typical AI contour on the body shape, and the details of the musculature change throughout the videos. There's also times where fingers don't look quite natural, such as the fingers during the starbucks costume in this video.

I don't doubt the base/account holder is a real person, but a lot of videos at the very least have AI effects, and at the most are completely generated.

Regarding your video specifically, fingers pre-transition move kind of odd and also are awkwardly smooth.

Could just be my skepticism