Right, figured I'd do my job as an idea monkey.
Full disclosure, this request is pretty much ripped off straight from an H-game:
https://files.catbox.moe/v4v6wb.jpgThat of Sister Claire from NijiJP being enchanted by a devil boy and giving him a paizuri+bj combo while he's floating in the air in order to be at the right height.
The first link makes for a rather poor pose reference, though, so here's a more useful one:
https://files.catbox.moe/s77dvw.jpegPreferably the "feel" of the scene is more like the first image, though.
