So basically format of video link would be
"Number#0".sexcelebrity.net/content/videos/"Number#1"/"Number#2"/Number#2"_720p.mp4
Step0: Right click video and open image in new tab
Step1: "Number#1" is the first number after videoscreenshot on the preview image.
Step2: "Number#2" is the second number after videoscreenshot on the preview image.
Step3: If
... doesn't work, try adding 1, 2, etc. at "Number#0" spot instead of leaving it blank.
Using your link as example. If you right click video and open image in new tab you can see that link is
You can see that "Number#1" is 6000 and "Number#2" is 6890.
You substitute numbers in appropriate spot.