When in Budapest - Anonymous - Gowon/Olivia Hye (Loona) - Based on the following prompt: Olivia Hye being best friends and prank buddies. They would prank Yves and Chuu a lot until Olivia realized she has a crush on Gowon. She confesses and Gowon likes her back.
Or the one where Olivia learns to let go of the past and live in the now