Kin for kin also known as kin 4 kin or k4k is an orientation where someone is only attracted to others of the same kin type. It can apply to any type of attraction sexual, romantic, tertiary etc
Exclusive to those who kin/are otherkin
History
It was coined by tumblr user Mogai-Place on march 12 2022 after it was requested by an anonymous user. The flag was uploaded along with the post.[1]