When one identifies as a fictional character or species in a psychological or spiritual
way. (Or both)
This can happen through imprinting, an unconscious coping method,
odd brain wiring, etc. in the psychological
way or in the spiritual
way it may happen through having a past life, a soul
shard, a misplaced soul or others.
It cannot be chosen and it is not simply relating to a character.
Fictionkin is also a branch off of Otherkin and apart of the alterhuman umbrella. (Which includes therianthropy, starseeds, systems, otherhearted and others.)
Raina is fictionkin, she is an ikran from the movie
Avatar (alternatively, she is ikrankin).
Fictionkin come in many different forms and variety’s and are not just
people who believe they were characters in past lives