User blog comment:HazelQuill7445/Awesome fan art/@comment-25936766-20171214021226/@comment-25936766-20171222171913

@Sentry:

1) I got no idea. But they look familiar.

5) There's a difference. In the one I know you're talking about, the joke was solely Yang's ahegao face and the implication of using her arm for self-relaxation.

In this one, there's no ahegao, and the joke is not just the implication, but also Yang's face that makes it all the better.