It is your first time to stay at someone's house or you can say to homestay in another Country. Your mom and also your fiance are totally disagree with your choice to go to Korea for a month , just for learning Korean Language and also the culture, plus especially because you are going to stay at Korean house. Your mom afraid, that you will get lost while your fiance afraid that you will get more deeply into fangirling world and find new boyfriend from Korea . But, no one can cancel your destination for homestay in Korea, since it is your big dream when you became the fans of K-Pop. 

You are praying that when you come to Korea, stay there for a month, you can meet your lovely Bias "Donghae" from Super Junior. You already planned what will you do, if you meet him. You love his sweet smile, his dance, his voice , all about him! But everything changed, when you arrived in Korea, when you go to your "parents" house, when you finally can meet Donghae- your ultimate bias, and especially when you meet him... Someone you never imagine, that you will definetely fallin in love with. Someone you know but you never ever dream to like him. Someone who changed your life while you are having your homestay. Someone who is famous because a leader of kpop boyband.  Someone who was chosen as “Boyfriend Idol,” an idol you would like to have as your boyfriend. He is Yoon Doojoon - the leader of B2ST.