Jo Jung-suk made a special appearance for Han Ji-min's First Love.
In the 15th episode of the TVN tree dramA knowing wife (directed by Yang Hee-seung Lee Sang-yeop), which aired on the 19th, Woojin (Han Ji-min), who was reunited with First Love Kang Sun-woo, was portrayed.
On this day, Cha Ju-hyuk (Ji Sung) and Woojin sneaked out of the restaurant to avoid the fact that they had a relationship while meeting branch people. Kang Sun-woo, who was focusing on filming, found Woojin and greeted him with a good greeting. So Ju-hyeok was jealous of the relationship between the two.
Jo Jung-suk, who was divided into Kang Sun-woo, appeared on the day with a relationship with Yang Hee-sung. Jo Jung-suk appeared as chef Kang Sun-woo in 'Oh My Ghost' written by both writers in 2015.