This specific alphanumeric string (Hui JiaKXSD) does not appear to correspond to a widely known television series, anime, or official media release in major databases. It is possible that:

Did you see this post on a specific (like Facebook or X) or a forum ?

: Some "free movie" sites use these codes for their internal database. To help you find this, could you clarify: Is this from a specific TV show or movie ?