Sunghoon is currently dating Rosa since his first year of college. Sunghoon used to have a girlfriend named Wony when they were in high school, they broke up when Wony moved abroad. Rosa, who slowly healed him, but, When sunghoon and Rosa's relationship had been going on for 2 years, Wony returned to this city and studied at the same place as Sunghoon and Rosa. Sunghoon's friends are more supportive of Sunghoon getting back together with Wony and often discriminate against Rosa.