49 Days (2011)

A young woman named Ji Hyun was enjoying absolute bliss as she was about to be married with her fiancé, but her perfect life is shattered in a car accident that left her in a coma. She is given a second chance at life by a reaper, but it comes with a condition: she has to find three people outside of her family who would cry genuine tears for her. In order to do this, she borrows the body of Yi Kyung, a part-time employee at a convenience store.