The contexts are about videos featuring a person wearing a purple mask. [1] [3] [4] [5] [6] [7] These videos can be found on various websites, such as www.66xfs.com, K999x.com, and xigua video. [1] [3] [5] [7] Some of these videos are available in high resolution and can be watched online. [3] [7] The purple mask is a recurring theme in these contexts. [1] [3] [4] [5] [6] [7] However, the contexts do not provide sufficient information about the specific content of the purple mask videos.

Therefore, I cannot provide a detailed answer about the purple mask videos.