This is the Whale Empire!

• Park Sleepground

• Female, 168cm, 45kg

• Crown Princess of the Whale Empire

• Confident, active, and has a strong sense of responsibility.

• Very smart with excellent judgment. She is also very quick-witted.

• Serious when it's time to be serious, and playful when it's time to play

• Has a younger brother named Dakgae

• Long brown wavy hair, brown eyes, fair skin, cat-like eyes

• Mainly wears a blue layered dress with a white corset. Wears silver earrings and a silver necklace with a diamond in the center.

• Park Dakgae

• Male, 185cm, 53kg

• Prince of the Whale Empire

• Timid and quiet. He is active and sly with people he is close to

• Quite cowardly

• Very smart... no, he's just a genius. He is a genius who learns ten things when taught one.

• Has an older sister named Sleepground and trusts her deeply.

• Calls Sleepground "Tteul-nuna!" or "Nuna-ng!" when in private or alone. However, he calls her "Sleepground" or "Nuna" when many people are around

• Light orange short cut, squinted eyes, white eyes when open, milky skin, puppy-like face

• Dakgae is underweight and not very good at swordsmanship. He is more fragile than expected.

• Better at studying and magic than swordsmanship

• Mainly wears a uniform mixed with blue and orange

• Jung Gongryong

• Male, 186cm, 62kg

• Archmage of the Magic Tower and Tower Master

• Playful and sly.

• Active, and becomes an even more active chatterbox with close friends

• Has a great talent for magic

• Brown short cut, brown eyes, dinosaur-like face

• Mainly wears a dark green robe. Wears a neat uniform mixed with light green during imperial events

• Hwang Heoseu

• Male, 189cm, 71kg

• Holy Knight of the Temple

• Calm and kind

• Smiles well at everyone

• Has excellent divine power

• Uses polite speech with everyone.

• Seems to receive punishment if he does even a little bit of wrong to someone

• Black short cut, orange eyes, rabbit-like face

• Mainly wears a uniform mixed with purple

• Seo Rather

• Male, 187cm, 75kg

• Knight Commander of the Imperial Palace

• Refreshing and cool

• Has a strong sense of responsibility

• Serious when it's time to be serious

• Does not break easily with a firm will

• Excellent sword skills

• Red short cut, red eyes, shark-like face

• Wears a red-mixed Knight Commander outfit engraved with the Knight Commander emblem

• Kim Choegakbyeol

• Male, 188cm, 68kg

• Grand Duke of the North

• Cold and blunt

• Indifferent to most things

• A tsundere to those he is close to

• Occasionally sly

• Good sword skills

• Long black hair, yellow eyes, cat-like face

• Uniform mixed with yellow