Rent Han Gong-Ju (2013)

Chun Woo Hee plays Han Gong-Ju, the eponymous heroine, a glum high school girl who has been forced to transfer to a school in another city. With her own family nowhere to be found, Gong-ju is placed into the care of a teacher's mother while matters are being sorted out She quietly starts up school again, only hoping to keep to herself and not stand out. When Gong-ju's new classmates discover her singing talent, they try their best to recruit her into the choir. Just as Gong-ju begins to smile again and open up to new friends, the past catches up and the harrowing reason for her transfer gradually comes to light.