Well, let me tell you a secret.
Yeonjun's older brother has a girlfriend
Let me describe that woman
Name: Jo Yu-ri
Age: 17 years old
Gender: Female
Dating/Single: Dating
With whom?: Choi Yeonjun
Bully/bully/ordinary
Iljin
Senior Jo Yuri is a bully
But my brother doesn't know that at all..ha