She never liked or enjoyed being a Royal Princess, she hated it. Every single part of it. The restrictions, the things that you need to do to become a Princess full of poise. Seul Gi went through it all but did it all with hard and cold feelings, but there was one particular thing she hated the most being a Royal Princess: Marriage.

There is no freedom for her except when the sun sets and she goes out of her chambers, to the do her rightful duty as a Princess, who knows her own rights, in secrecy. There was only one pursuit she practices every night to free her mind and be herself: Swordplay.

Kang Seul Gi was a Warrior inside a Princess's body and a Princess inside a Warrior's body. How will she hide the Warrior Kang Seul Gi from Hong Jisoo? Will he find out? Will her family and in-laws find out? What will happen?

Things are going to change, big - Kang Seulgi: The Crown Princess who breaks rules.

There's something fishy going on with her - Hong Jisoo: The Crown Prince who is willing to know more about Crown Princess Kang Seul Gi.

I don't want us to change, but what can I do? It's already changing - Kim Mingyu: The top notch Warrior that fell deeply in love.