Board Thread:General Discussion/@comment-304875-20161031104729/@comment-27950421-20180930221513

Slimes at least have the benefit of the fact that their genetic relationship with their father is debatable at best.

1&2) Simply put they and the animal they are based off of are heavily associated with filth to the point that filth is almost synonymous with their name. The idea of getting intimate with filth is a disgusting one.

3) It isn't just incest. A Devil Bugs status as a sapient species is debatable at best. If it isn't sapient, it's an animal. Fucking or being fucked by an animal is likewise a disgusting idea.