Jaeyeonggwa Jaeyeong Sai

Seou's high school crush, Ha Jae-Yeong, has tragically passed away. In a poignant dream, Seou encounters the deceased Jae-Yeong and relives their past together, and she desperately tries to alter events to prevent his death. However, the other Ha Jae-Yeong's demise seems to be also affecting this timeline. As Seou navigates this surreal temporal landscape, they race against time to rewrite history and save both Ha Jae-Yeongs before the dream's profound journey ends.

(Source: Naver Webtoon, translated)