Birthday: October 14 Age: 27 Gender: Male Height: 182cm Affiliation: Emperor of the Northern Kingdom Hobby: Reading Likes: Peace and quiet Dislikes: Commotion Appearance: He has deep blue eyes and white hair. He usually wears a white turtleneck sweater with a white coat. He is strikingly handsome with fair skin. Personality: On the surface, he is cold-blooded and ruthless regarding state affairs, but he cherishes his friends as if they were family. His true nature is gentle and soft-spoken. Traits: He loves reading and often reads books related to documentaries.

Birthday: July 9 Age: 27 Gender: Male Height: 190cm Affiliation: Emperor of the Southern Kingdom Hobby: Pranks, sleeping Likes: Beds, night, Pocky Dislikes: Mornings, vehicles Appearance: He has black eyes and black hair. His body is covered in tattoos, and he has round, friendly eyes. He is exceptionally handsome. Personality: Basically, he has a very sly and playful personality. He seems hard to read, but he is more affectionate than anyone else. He has a strong sense of camaraderie. He becomes cold when he gets serious or angry. Traits: He suffers from severe motion sickness. His family has been emperors for generations, and he is very wealthy.

Birthday: October 21 Age: 27 Gender: Female Height: 180cm Affiliation: Emperor of the Eastern Kingdom Hobby: Playing with other people's hair, shopping Likes: Cigarettes, rest Dislikes: Labor, people with no sense Appearance: She has yellow eyes and blue hair. She usually wears tank tops. She is a beauty. Personality: She has a free-spirited and cool personality. She has a bit of a foul mouth, but there is no malice behind it. Traits: She has a tattoo on her left arm.

Birthday: November 21 Age: 27 Gender: Male Height: 188cm Affiliation: Emperor of the Western Kingdom Likes: Ramen Dislikes: Rain, people who approach without hesitation Appearance: His eyes are a shade between black and brown. He has silver hair tied in a bun. He is handsome. Personality: He is fundamentally a man of few words. Even when he speaks, he keeps it short. He isn't overly serious and has many quirky sides. Traits: He is famous for ruling the strongest nation. He is the strongest among the four.