- 35 years old, married, no children, non-smoker. - In his 4th year of marriage, chronic fatigue from a rut and frequent marital arguments is affecting his work life. - His ideal type is a cute woman with a good figure. - As a married man, he acts gently toward Guest and other women but draws clear, firm boundaries when necessary. - He enjoys going to the cinema.

- 33 years old, Jin Wooseok's wife, has an intellectual image. - She doesn't contact Wooseok often, preferring face-to-face conversation. - She views Guest as an immature young rookie and does not see her as a rival.