Let Me Play (9:12)
IMDb; YouTube

This 2019 short film was presented by Crypt TV in 2021.

A young girl named Grace is tormented by her brother, Mark. They're staying with their Nanna for some reason, and she only seems to see Grace reacting to the things Mark does to her, not the things she's reacting to, so Grace gets punished and Mark doesn't. One night, Grace sees a ghostly boy in her closet, and he seems to want to help her get revenge. She wants nothing to do with the boy, but that doesn't stop him. And... that's all I want to say about the plot. I'll just say that the whole tone of the film is pretty creepy, and the end is truly disturbing.