nope! trinitystuck is a non-sgrub AU, there are a few of them around! it’s basically about the trolls coming of age in troll society, if they had the chance to do that.
veilstuck is the universe in which last hearing takes place, which offshoots from canon at the end of act 5!
(however both of these fics are pretty karkat/gamzee/terezi heavy so there ya go)