Lee Chan, who departed without any reasoning, and Seo Ho, who was left behind without the opportunity to inquire why. Upon reaching adulthood, they cross paths once more, and in front of Lee Chan again, Seo Ho finds himself wavering. Seo Ho makes an effort to avoid discussing the past, while Lee Chan ultimately cannot express anything. Even now, after their reunion, there remain too many unsaid words between them. "Seo Ho… being left alone feels really lonely. Did you feel like this too?"