I remember visiting this website once...
It was called Monster 動画 - Watch Monster High Videos, Episodes & TV Specials | Monster High
Here's some stuff I remembered seeing:
Humans are strange. One minute they hate monsters, the next they love them. What’s a ghoul to do?
Use of this site signifies your acceptance of Mattel\'s Website
You\'re about to visit a Monster High web page that is intended for adults.