Season 1 of Girl Next Room: Richy Rich premiered on May 17, 2020.

Duchess, also known as Daeng Lek, is a newly rich university student and is given to ostentatiousness. She seeks approval from the exclusive parts of society from which she was barred when she was poor. She happens to encounter Krathing, who knows about her unfortunate past as Daeng Lek and takes to teasing her.