Seo Hyun-Jin, Ra Mi-Ran & Ha-Joon are cast in TvN drama series “Black Dog.” The drama series is set at a private high school where Seo Hyun-Jin will begin work as a temporary teacher. Ra Mi-Ran and Ha-Joon will play teachers at the same private high school and become friends with Seo Hyun-Jin’s character. 

“Black Dog” first airs December 16, 2019 in South Korea (takes over tvN’s Monday & Tuesday 9:30 PM time slot after “Catch The Ghost.”).