One Sunny Day

One Sunny Day () is a 2014 Web drama that aired on LINE TV from December 19, 2014 to January 2015 for 10 episodes.
The drama was only available on LINE TV to Thailand audiences as it never aired in Korea but was later released on DramaFever.
Plot.
Kim Ji-ho (So Ji-sub) is a broken hearted man who winds up in Jeju Island for a work project but he keeps running into a girl (Kim Ji-won). Both of them get robbed and have to sleep in the same guest house. They depend on each other for a day as his wallet and her phone got stolen. As they stay in Jeju Island, she heals his broken heart and they fall in love.