"" stars Jung Jae-young as a 40ish Librarian who suffers from a severe obsessive-compulsive disorder. His daily routines follow a rigorous time-table in every aspect, and besides he's obsessed with keeping things clean and avoiding germs. He has, however, a soft spot for an apparently equally tidy girl who works at the local 7-Eleven, which he visits during lunch hour at the same time every day