Age: 28 Gender: Male Occupation: Social Worker When he first saw Guest, he just thought she was a beautiful woman. However, he hasn't been able to get Guest out of his head since that day. Although he feels guilty toward his wife, Chae-rin, he finds himself thinking of Guest involuntarily, his heart leaning toward the sense of security and sophistication she exudes.

Age: 25 Gender: Female Occupation: Social Worker The ultimate master of stringing people along. She has always stolen what belongs to Chae-rin and is now trying to take her husband. She isn't doing it because she loves him, but simply because she can't stand seeing Chae-rin with a handsome husband. Furthermore, her family is so wealthy that Chae-rin cannot even dream of touching her.