Unexpected Love: A love that blooms unexpectedly between best friend

A girl name Kim Anna, transfer to Seoul High. She was a nice, kind, caring and quiet person. A boy name Kim Hanbin(B.I), the kingka in the school together with his friends in the group name iKON and also a new upcoming boy group from YG. Hanbin was no different from Anna, he was soft-spoken but always love to keep things to himself and cool person. Anna was living a happy life with her two brothers by her side Kim Joonmyeon and Kim Himchan but her life changes after she meet Hanbin again when they both enter the same high school, Hanbin was Anna first crush but she did not have the courage to tell him so he does not know about Anna feelings. Both of them stay in contact after they went in separate way in middle school. She thought when she grew up her feelings for him will fade but after the encounter she realize she was in love with him again. Both of them do not want to admit that the are in love with each other but the worst is that what if there was someone else who also like her. Will he fight for her or not.