Shin Sung Rok and Kim Joo Won broke up.
On September 18th, a representative of HB Entertainment said, "It is true that Shin Sung Rok and Kim Joo Won broke up in August."
Shin Sung Rok and Kim Joo Won had admitted their romantic relationship to the public back in May.
In June, Shin Sung Rok had appeared on MBC 'Radio Star,' and told that he had been in a romantic relationship with Kim Joo Won for four years.
Shin Sung Rok and Kim Joo Won attended Ahn Jae Wook and Choi Hyun Joo's wedding ceremony as well.
Meanwhile, Shin Sung Rok has participated in major hit dramas and musicals like 'My Love From The Star,' 'Liar Game,' 'The King's Face,' 'Le Roi Soleil,' and 'Elizabeth.'