(Completed) What if you met someone you haven't seen in years on Halloween? What if the memories you've kept in your heart began to awaken mysterious feelings? Cosette unexpectedly reunites with her childhood friend on Halloween, a boy she hasn't seen since she was four. Cherished memories resurface, and together, they build new and profound feelings. As they grow closer again, everything seems perfect. But just when Cosette believes everything is falling into place, an unexpected twist shatters her world. She then wishes she had remained oblivious.