Jaeyeonggwa Jaeyeong Sai

A high school student named Seou experiences a deep emotional connection with Ha Jae-Yeong, who later dies. In a dream, she meets a version of the deceased Jae-Yeong and revisits their shared memories, attempting to change the past to prevent his death. However, this alternate Jae-Yeong also faces the same fate, influencing the timeline. As Seou moves through this strange and shifting reality, she tries to change events to save both versions of Jae-Yeong before the dream concludes.