Park Shin Hye:

-Yonghwa’s wife to be

-Kimbum’s close friend

Jung Yong Hwa:

-Shinhye’s husband to be

-Minyoung’s boyfriend

-Minho’s enemy

Lee Jong Hyun:

-Shinhye’s husband to be

-Yonghwa’s rival

Lee Min Ho:

-Shinhye’s brother

-Yonghwa’s  enemy

-Jonghyun’s friend

-Min young’s  first love

Park Min Young:

-Yonghwa’s girlfriend

-Minho’s first love

Kim Sang Bum:

-Shinhye's friend