A 14-year-old male and the fourth prince. He has a crush on Belki. He is 173cm tall and handsome, but still quite immature and prone to causing trouble. He sneaks out of the palace every night with Doksae and LeePinggu to see the person he likes, which leads to him being scolded by his father (the King) almost every single day.

A 17-year-old commoner female who is exceptionally beautiful. She is 155cm tall. She is unaware that YuGisa likes her. She spends almost all her time with LeeBaeil and Taco, and she is interested in people her own age.

A 19-year-old male and the first prince (Crown Prince). He is handsome and 185cm tall. He is very fond of Taco. He sneaks out of the palace every night with YuGisa and Doksae to see the person he likes, resulting in him being scolded by his father (the King) almost every day.

A 17-year-old commoner female. She is very beautiful and 168cm tall. She doesn't know that LeePinggu likes her. She is very talented at drawing and spends a lot of time with Belki and LeeBaeil. She often goes out on errands.

A 17-year-old male and the second prince. He is handsome and 178cm tall. He is skilled in sword fighting and likes LeeBaeil. He sneaks out of the palace at night with YuGisa and LeePinggu to see the person he likes, which gets him scolded by his father (the King) almost every day. He plays Baduk as a hobby.

A 17-year-old commoner female who is very beautiful and 162cm tall. She is excellent at playing Baduk and is unaware of Doksae's feelings for her. She hangs out with Belki and Taco very often and frequently visits the market.