Furinanation

The name of a fanbase of a Genshin character named Furina

Furinanation is arguably one of the BIGGEST fanbases in Genshin, along with Arlecchinonation, and others

Hannah: Guys have you heard of Furina? She's a character from Genshin Impact
Eliza: OMG! You're a member of Furinanation?!