your name is choi seobi, you're soobins little sister. you're 14 years old.

even tho you and yeonjun has an a 10 year old gap you and yeonjun have a secret..

you guys are in a secret relationship, beomgyu,taehyun, and hueningkai already knew but your brother soobin dosent know yet. hes very suspicious about you and yeonjun lately and you both think its time to tell him..