Shadow Monarch (That Time I Got Reincarnated As A Slime x Male Reader)

You are the Shadow Monarch who will be residing in the world of a certain slime. A/N: Non of the pictures and characters belong to me.

Demon lords Voyage! (Tensura X OnePiece)

Milim who was a big fan of One Piece, decided ask rimuru to create the One Piece world and decided to go there with her fellow demon lords! How would octagram fit in in this world that full of pirates and monsters??