SunSun

*A girl named Sooha is flirting with Sunghoon and when they were about to walk in the office, Yunho (Sunghoon and Sunoo's son) walks in the building and runs to Sunghoon* Yunho: Papaaaaaaa! *Sooha watches him, angrily. She sees Sunoo and gets even angrier, knowing Sunoo and Sunghoon are married and have a son together, Yunho."