Li An and Chrissie are twins. Non indentical twins, but never the less twins. Not only are they twins but they are also Princesses. There is one slight problem though, The Princesses are both in arrange marriages and with only a few months to the wedding what happens when two new guys come along and sweep the girls off their feet. With Love Triangles, Etiquette Lessons and Wedding Arrangements will Chrissie and Li An decide which path they want to chose before wedding bells are ringing from the church.

Princess Li An: Li An is an 18 year old Princess. She has long curly blonde hair and deep brown eyes. Unlike her sister she is much more naiive and innocent, often getting confused in situations. At first she is happy being arranged to marry to Myungsoo and often follows him around and acting cute around him.  When she meets Baekhyun she finds him rather annoying at first but soon grows to like him landed her in a situation she isn't sure how to get herself out of it.

Princess Chrissie: Chrissie is an 18 year old Princess. She has long straight black hair and deep brown eyes much like her sister. She is much smarter than Li An and always the person Li An turns to for advice. Unlike Li An though she is totally against her arrange marriage. Trying to avoid Prince D.O at all times even if it does mean being a third wheel with Li An. When she meets Sehun she is a bit weary at first but warms up to him and falls for him quite quickly.

Prince Myungsoo: Myungsoo is a 20 year old Prince. He has short black hair with a sweep fringe. He is also arranged to marry Li An. He has a short temper and because of this he finds himself often getting annoyed at Li An because of her naiive charm and innocene. but he soon grows to care for her and becomes jealous when she starts hanging out with Baekhyun.

Prince D.O: D.O is a 20 year old prince. He has short black hair. He is rather polite towards Chrissie and Li An. He is completely head over heels in love with Chrissie and constantly tries to grab her attention but this only leads him to annoying Chrissie and making her angry. He hates Sehun and tries his best to win the heart of Chrissie.

Baekhyun: Baekhyun is a 21 year old ordinary guy. After bumping into Li An at a mall his heart immediately fell for her.  Sadly, Li An didn't return the feelings and being a Princess it was against Code of Conduct to fall for someone who had no royalty but after days of sending her letters and gifts they slowly started to grow attatched to one another soon leading into love.

Sehun: Sehun is an 18 year old ordinary guy. He is Baekhyun's best friend and when he sees Chrissie with Li An at the mall he loses his heart to her. In denial though and only wanting to stay friends after realizing she is a Princess but his feelings soon take over and confesses. Realizing that he has to fight D.O for her he does whatever he can to keep Chrissie by his side.