Myoui Sharon Mina or better known as Princess Mina - a charismatic, yet troublesome princess. Mina doesn't have many friends. When she was young she loved being around people but as she grew up she realized those people were just being polite to The Dynasty Princess.

Minatozaki Sana known as Princess Sana is The Leader of the Hwarangs and Mina's older sister. She has a strong bond with Mina. 

Park Jihyo known as Queen Jihyo is Mina's sister-in-law and The Head of the Dynasty. She is close to Princess Sana.

Park Daniel known as King Daniel is Mina and Sana's older brother and the 29th ruller of Teudoong Dynasty. 

Hirai Momo is one of the hwarangs of the Dynasty. She has strong fighting skills that she learned from her master. But when she thought she is finally going to fulfill her dream, Momo is faced with something unexpected.

Yoo Jeongyeon or better known as The Gukseon is Momo's master and closest friend. She has a dark past. 

Kim Dahyun or General Dahyun is known to be the right-hand of The King and his very loyal adviser. She is also the Chief of the Royal Guard.

Im Nayeon is known to be the left-hand of The King. She is also the Prime minister and Grand Commander of the Dynasty.

Chou Tzuyu is known to be a perceptive archer. She is also Momo's only family.

Son Chaeyoung is the daughter of a skilled palace artist and thus has a fondness for art. She hangs out at Momo's house a lot.

Lalisa Manoban was one of Mina's childhood friends. She will do anything in order to achieve her dream. She rose to power as a result of her father's tricks.