After a long delay, Na-Ri and Nan-Gil are finally dating in the "Sweet Stranger and Me" Episode 14. Previously, Na-Ri found that her biological father was alive in Episode 13.
Their romance has been dragged for several episodes until finally the smoke has been cleared in "Sweet Stranger and Me" Episode 14. Na-Ri and Nan-Gil are officially dating and becoming lovers. Nan-Gil even asked for his staff for advice to approach Na-Ri, as written in the official synopsis from KBS.