her 2011 novel "my palpitating life" is a touching story of a 17-year-old boy with progeria, a disease that cause rapid aging; he prepares to bid farewell to his thirty-something parents, who had him when they were teenagers. it was a bestseller, and in 2014 was adapted into the e j-yong film "my brilliant life" starring kang dong-won and song hye-kyo.