The transfer student Ye-Bom was jealous of Eun-Ho, an honor student everyone liked. Many years later, Ye-Bom’s life feels hopeless and bleak when one day, she finally learns about the reason behind Eun-Ho’s death that occurred a long time ago. Ye-Bom, filled with regret, returns to the time when she was 18 and faces him once again. What drove the seemingly perfect boy to death? Ye-Bom is finally ready to hear Eun-Ho’s story. (Source: WEBTOONS) Note: This series contains themes regarding suicide and bullying that may not be suitable for all readers. Viewer discretion is advised.