India, Sept. 16 -- S outh Korean actor Won Hyun-jun is all set to marry South Korean director-screenwriter Lee Su-jin next month. Taking to Instagram on Monday, Won Hyun-jun shared a black-and-white photo of the two together. Alongside the picture, he wrote in Korean, "I'm writing this because I wanted to tell those who have cared for and supported me all this time first. I have promised to spend the rest of my life with the person I cherish most," revealing that their wedding will take place on October 4. Lee Su-jin also took to Instagram to share the news, writing, "I'm excited to have someone to share all the moments ahead. Very grateful." Won Hyun-jun, 46, and Lee Su-jin, 48, met while working together on the web series Hyper Knife, which was released last year. Won Hyun-jun first posted a photo of Lee Su-jin on Instagram along with a numerical birthday equation celebrating the fact that they share the exact same birth date, June 2. The two later shared glimpses of their trips to Japan and moments playing golf together. HTC...