On the night of their middle school graduation, Yi-chan confesses his feelings to Ah-yeon, his longtime crush, and is coldly turned down. Stung by her open mockery, he begins to transform himself with the help of Seol, his childhood friend. When he and Ah-yeon cross paths again, she notices the change and softens, but Yi-chan isn’t swayed, closing that chapter for good. He turns to Seol, who believed in him all along, with an honest confession. Letting go of the past, he takes his first real step forward.