Choi Yeoreum and Lim Boram were best friends in middle school, but when they started high school, they drifted apart. Now, as they approach graduation, they both realize how much they miss each other and want to reconnect.

Lim Boram has always had a crush on Choi Yeoreum, but never had the courage to tell him. Meanwhile, Choi Yeoreum had a crush on Lim Boram in middle school but was too shy to say anything.

One day, Choi Yeoreum decides to reach out to Lim Boram to see if she wants to hang out. Lim Boram is thrilled and agrees right away, but is also nervous about seeing Choi Yeoreum again after all these years. As they spend time together, Lim Boram starts to feel like her feelings for Choi Yeoreum are stronger than ever, but she doesn't know if Choi Yeoreum feels the same way.

Choi Yeoreum, on the other hand, is starting to realize that his feelings for Lim Boram might have been more than just a crush. As they reminisce about old times and catch up on each other's lives, the two start to wonder if there's something more between them.

As graduation approaches, Choi Yeoreum and Lim Boram must decide whether to take a chance on each other and see where their feelings lead or to remain just friends. Will they finally confess their true feelings and start a romantic relationship, or will they decide to keep things platonic and cherish their friendship? Along the way, they navigate the ups and downs of high school life, from school projects to prom, with the help of their quirky group of friends who are always there to lend a helping hand or a listening ear.