The Ex-boyfriend - S1.E2

Hong-ju turns out to be living downstairs in Hu-young's house, and Hu-young asks his uncle to take him on a tour around Seoul. Hu-young and Hong-ju end up having a date at an amusement park, and they have a fun day together. Meanwhile, Joon-ho, who left Hong-ju three years ago, appeared in front of him, asked to work on a project together.