Jungyeon has had a crush on Lee Taeyong since middle school but her new friend Sungah suddenly does too. -or- Jungyeon is too nice for her own good, especially when she decides to give up her long time crush on Taeyong when her new friend Sungah claims she's come to like him too. (Please read the foreword too!)

Park Mina is in love with her best friend Yeo Changgu but he has a girlfriend. Mina finds out Lee Jihee (Changgu's girlfriend) is cheating on him and informs Changgu but he doesn't believe her. He believes Jihee who he's known for a total of 9 months over his best friend who he's known since childhood. This causes a fight and for them to end their long term friendship and for Mina to kind of rebel.

Hwitaek's been friend zoned.