The Villainess' Pet

A story like no other where a guy is... reincarnation? Me: Yup... fantasy world? Me: Correct! Mc is op? Me: Eh-!!!, How did you know? Is mc reicarnated as a person? Me: No :) Then is he a slime? Me: What?! Can you see the future? How!? A story that is so cliche but they still want to read.