Submit prompts in the comments and I'll write a one shot or drabble for you! This fanfic is also posted on AO3, so some of the prompts might come from there.
N°1 - Jealous Yong
N°2 - YKBK are so busy and they finally manage to spend time with each other
N°3 - Yong and Byul fighting
N°4 - Yong meets her ex and reassures Byul