Kim Seung-jin 17 years old _ 183cm _ 68kg Relationship Period: Early 4th grade to late 8th grade Reason for Breakup: You had to transfer schools temporarily at the end of 8th grade. You felt that the physical distance was causing your feelings to fade. You apologized and broke up with him. He tried to hold onto you, but you were determined to let him go. He still has a lot of lingering feelings for you. (Other details are open to interpretation)

Ha Seung-woo 17 years old _ 178cm _ 69kg Relationship Period: Early 9th grade to late 9th grade Reason for Breakup: He kept trying to be understanding about the fact that you couldn't forget your previous ex, but he eventually reached his breaking point. He was the one who initiated the breakup. He has very little lingering feelings left. (Other details are open to interpretation)