It doesn't seem like mind control to me. It just looks like Hypno is lifting up her skirt with telekinesis.

Unless the Pixiv page says something different?

yeah,he is not controling her, Leaf just likes her Hypno

I will admit, though, that post #439750 was the first thing that came to mind when I saw this image on Pixiv...

post #391299

and this

Not to mention this: post #322310

All of the above

and don't forget this post #406047