Jungwon is your boy best friend brother 'sunoo' but sunoo won't let you date his brother because of the rules you've guys made when you guys were a child and he don't want you to get hurt because jungwon is a player in your school and he is also a senior. But you have a huge crush on jungwon but you can't date him. But actually jungwon also had a crush on you but he knows he can't date you because of his brother sunoo aka your boy best friend because he knows sunoo wants to protect you from getting hurt because of him

one day you were sitting at the couch in the living room scrolling your phone and then jungwon came downstairs and go to the living room and sat beside you

"What are you doing,are you waiting for sunoo here?"