JaeYoung's sister Jaekyung likes L the kingka at her new school. The problem is that L annoys the heck out of JaeYoung.And she thinks he's a cocky person. She would always get annoy when her sister Jaekyung brags about L ' did you know L likes playing guitar!- oh! and he loves dancing and oh!- he loves singing '

What happens when JaeYoung's feelings changes? Will JaeYoung tell her sister about her feelings for her sisters crush?