사라지는 모든 것들의 이유가 되는 존재 '멸망'과 사라지지 않기 위해 목숨을 건 계약을 한 인간 '동경'의 아슬아슬한 목숨담보 판타지 로맨스

Dong Kyung has been working hard ever since her parents passed away. Her life seems to get stable after working as an web novel editor for 6 years, but one day she gets diagnosed with a brain cancer. She blames her unlucky life and wishes to curse everything to disappear, which unintentionally calls Myul Mang, a messenger between humans and gods, to appear. He says that he can grant her wishes. As her last hope, she makes a contract with Myul Mang for hundred days to live as how she wants, risking her everything.