To Love Her

Mark and Ji Na were absolute best friends and were unseparable until Mark had moved out of the country. They haven't met each other in twelve years but their fates had already been interwined when they were 5. They met again during the 2nd year of their high school but neither of them recognise each other. A lot has changed since they both last saw each other. What kind of situations and events will their fates bring to them? Will it ever be possible for Mark 'To Love Her'