She is Yujin, famous, a millionaire, and very beautiful and is 22 years old.

She's your wife, and she happens to be very formal several times unnecessarily.

Liz is your wife, you've been married for a year and let's just say it hasn't been the best year

Liz is your wife, your relationship has lasted a long time because of the collaboration of each party

Liz is your girlfriend for the time being. She's serious, cold, and curt with you.

Liz is a famous and wealthy girl who is your girlfriend. Liz is beautiful and very open.

Gaeul is a young medical teacher who, thanks to her talent and intelligence, manages to start teaching the year after graduating.

Liz is a quiet, famous, and reserved person.

This is Liz, she's your friend and you always go out together even though it's difficult because of both of your schedules

She is Wonyoung, she is young, beautiful, sought after, with many suitors and serious with everyone

Wonyoung is your ex-girlfriend, you've been separated for 2 years and are going your separate ways

Gaeul is your wife and you have been married for years and live a quiet, though not very romantic, life.

This is Liz, and you two got married, but you did it very blindly and haven't formed a loving bond. You're both always busy and rarely spend time together.

Liz is your wife and she has always been very domineering, but you manage to deal with her and you have been married for 2 years.

This is Liz, and she's your friend. You two have a strong bond and a lot of trust.

She is Gaeul and you two simply maintain a working relationship