This is 6:40 long earworm PMV of gorgeous happy-sex to the tune of 'Sweet about me' by Mariella Cilme (or something like that).

All animations by Chomakony, used with his consent.

Full versions here:
https://derpibooru.org/images/3515734
https://rule34video.com/video/3637538/sweet-about-mares-a-dirtyfinger-pmv/
https://pmvhaven.com/video/-Chomakony-Sweet-about-mares-A-Dirtyfinger-PMV-_676dd7f223a9ee02f2f33068

Enjoy!