<Li> Kim Ha - kyun (ko) as Butler Sung </Li> <Ul> <Li> Seo Dong - won (ko) as Jo Jin - bae </Li> </Ul> <Li> Seo Dong - won (ko) as Jo Jin - bae </Li> <Dl> <Dd> Ji - ah's older brother who is the research team leader of KM Financial . </Dd> </Dl>

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