Renagender is a xenogender for those who are hyperfixed on, have a special interest in or are kin with Ryūgū Rena (Anglicised:Rena Ryuuguu) from Higurashi no Naku Koro ni (Anglicised: Higurashi When They Cry). It is intended to be used by neurodivergent individuals, but is not exclusive.
History
Renagender was coined by Twitter user RADIANTROAR on October 12, 2020[1].