So They Call Me A Monster In This World, Huh?

First, he was called a Killer, then a Vampire, then a Monster. This is a story of a young boy who got killed along with his family by a serial killer. Next thing he knew was he was reincarnated because of the difference that occurred in his senses. Then a goddess came to help him offering him a name but was kicked out of heaven for doing so. With that, the two decided to stick together as a humorous, enjoyable but a miserable, unfortunate and tragic fate awaits them.