Adding multiple characters makes fps worse. Slowed this via shortcut plugin but still not smooth. Any way to improve fps?

More videos Adding multiple characters makes fps worse. Slowed this via shortcut plugin but still not smooth. Any way to improve fps?

Our first attempt at 60 fps. Hope it's up to par :)
Idols Boxing 60 fps
Not her lips, but it still grips!
Still Getting Used To This... But Loving It!!!
Still not nutting... Still not nutting...
ThirtyThreeThree POV interpolated to 60 FPS
Cassie titsfuck, high fps version
Slowed
Wanna fuck her in the worse way
Not big, but still sexy ;)
It gets worse... and worse... and worse...
Not fully off, but still
not the biggest but still