The Pieces of Time(2017)

Nega Eobsneun Sigan

One normal day, Jung's little brother Hoon goes missing. Jung sees her family fall into despair as the search for her brother drags on without any hope of him coming back. But one day Jung wakes up to 6 months ago, the day her brother went missing, She is the only one who remembers. Will she be able to change the course of time?

(Source: Pocket Comics)