9 Ends 2 Out (2007)

Hong Nan Hee, an unpublished writer working for a publishing agency, and Byun Hyung Tae, a successful advertising agent, have been friends their entire lives. Now that they are thirty, a set of circumstances forces them to live together. Though they've always confided in each other, living in close quarters brings some chaos into their relationship as they have to put up with each other's shortcomings and quirks on a daily basis, as well as getting way more involved in the other's life than they were ever comfortable with. All that starts sparking some unexpected feelings between them that could both strengthen or break their friendship forever.