Am I Everyone's Darling or Everyone's Scorn?

Looking for a Book in a Series About Conquering Everyone's Heart, with No Romance

In one of the worlds, one male lead is a vampire, another is a werewolf, and another is a mermaid. The story gets pretty steamy. I was following it for a while, but I've read too many books and can't remember which quick transmigration novel it was. Does anyone know?