Jung Hae-in, Chae Soo-bin cast in new tvN drama

Jung Hae-in (One Spring Night) and Chae Soo-bin (Where Stars Land) are the newest on screen couple in K-dramaland following their confirmation to lead the upcoming tvN drama "Half of Half" (literal title). "Half of a Half" is a romance drama about Ha Won (Jung Hae-in), an artificial intelligence (AI) programmer, and Han Seo-woo (Chae…