Sixth Sense Investigations Series by Meredith Katz

Haunted by the ghost of the man who saved his life at the cost of his own, Keith has developed an awareness beyond what humans can normally sense—a world of spirits, monsters, and fascinating people that can only be described as Others. When he starts to have prophetic dreams about strange creatures hunting down helpless Others, he realizes that there has to be something only he can do... moreHaunted by the ghost of the man who saved his life at the cost of his own, Keith has developed an awareness beyond what humans can normally sense—a world of spirits, monsters, and fascinating people that can only be described as Others. When he starts to have prophetic dreams about strange creatures hunting down helpless Others, he realizes that there has to be something only he can do. Accompanied by Lucas, his best friend despite the complex feelings around his death, and the horned boy, a beautiful and mysterious Other, Keith knows that he has to confront his feelings and his fears in order to find his place in this new, strange world—and to protect the things that he’s coming to love. M/M polyamorous paranormal romance. An unwilling psychic investigates a strange horror threatening the local fae population, helped by his ghostly best friend and the deer-antlered man that runs a mysterious antique shop. less

After dealing with unruly Terrors and haunted dolls while trying to graduate from university, Keith just wants a break. His psychic abilities have got him in as much trouble as they've got him out of, though they also helped let him protect his two boyfriends—Lucas, a ghost, and Hiraeth, a deer-antlered cryptid—so he can't complain that much... moreAfter dealing with unruly Terrors and haunted dolls while trying to graduate from university, Keith just wants a break. His psychic abilities have got him in as much trouble as they've got him out of, though they also helped let him protect his two boyfriends—Lucas, a ghost, and Hiraeth, a deer-antlered cryptid—so he can't complain that much. When Hiraeth's son appears looking for help to remove a curse that's been placed on his lover, Keith is pretty sure his anxiety over his powers is nothing compared to how he feels about trying to get along with his boyfriend's family. M/M polyamorous, contemporary paranormal romance. Featuring an anxious psychic, his ghost boyfriend, and their deer-antlered lover. A story about family, communication, and learning to let go of the past… and about trying to get along with your immortal boyfriend’s persnickety grown-ass kid whose lover has gotten himself trapped in the form of a fish. A standalone sequel. Reading Empty Vessels is encouraged, but not required. less