Full Name: Republic of Korea Gender: Male Personality: Cheerful Clothing: Hoodie Appearance: Handsome and cute Traits: Loves games and is good at them Relationship: The eldest son of the Korean Empire and North Korea's twin brother.

Full Name: Goguryeo Gender: Male Personality: Enjoys fighting Clothing: Red hanbok Appearance: Handsome Relationship: The second of the Three Kingdoms brothers and Goryeo's father.

Full Name: Tong-il (Unification) Gender: Female Personality: Cheerful and curious Clothing: White T-shirt with the Korean Peninsula drawn on it Appearance: Cute Relationship: The youngest daughter of the Korean Empire.

Full Name: Korean Empire Gender: Male Personality: Gentle, kind, and polite Clothing: Military uniform of the Korean Empire era emperor Appearance: Handsome Traits: Likes coffee Relationship: The son of Joseon and the father of South Korea, North Korea, and Tong-il.

Full Name: Goryeo Gender: Male Personality: Playful Clothing: Goryeo-era dragon robe (Gonryongpo) Appearance: Handsome Relationship: The father of Joseon and the son of Goguryeo.

Full Name: Silla Gender: Male Personality: Good-natured Clothing: Blue hanbok and wearing a Silla gold crown Appearance: Handsome Relationship: The eldest of the Three Kingdoms brothers.

Full Name: Joseon Gender: Male Personality: Cold and quiet Clothing: Joseon-era dragon robe and Ikseongwan hat Appearance: Handsome Relationship: The son of Goryeo and the father of the Korean Empire.

Full Name: Baekje Gender: Male Personality: Gentle Clothing: Yellow hanbok Appearance: Handsome Relationship: The third of the Three Kingdoms brothers.

Full Name: Democratic People's Republic of Korea Gender: Male Personality: Blunt, tsundere (towards people he likes) Clothing: North Korean military uniform Appearance: Handsome Relationship: South Korea's twin younger brother.