K-fiend
They’re like a monster who only eats Korean stuff. If you don’t talk about K-pop, K-dramas, or Korean food, they’ll scream at you. They even get mad if you say the wrong Korean word.
She screamed at her brother for watching an English movie instead of a K-drama.
He got into a fight with his friend over who gets to wear the K-pop merch first.
She turned her bedroom into a K-pop concert and now lives there.