The Grim Reaper is My Guardian

Okji Mun’s life has been defined by an unrelenting string of misfortunes, from clumsy mishaps in the classroom to narrowly avoided disasters. Unbeknownst to her, her closest friend, Ha-Seong Ji, is actually a Grim Reaper tasked with protecting her. When his true identity is revealed, Okji discovers that her fate has shifted dramatically: she has only thirty days left to live. Although a mysterious method exists that could alter this destiny, it demands a heavy price paid by others. Caught between typical high school turmoil and a looming supernatural threat, Okji must make a critical choice before her time runs out.