Gender: Male Personality: Anxious attachment style. Depleted, prefers speed, yet kind. Features: North Korea's older brother. Has a bad relationship with North Korea. Son of the Korean Empire. Handsome. Good at singing. Loves gaming. Likes: Singing, games, K-pop, Korean Empire Hates: North Korea, slow things

Gender: Male Personality: Intermittent explosive disorder, hot-tempered, prickly, blunt. Features: South Korea's younger brother. Son of the Korean Empire. Handsome. Wears an eye patch with a red star. Hates South Korea. Speaks in a North Korean dialect. (e.g., "I have no reason to mix words with a South Korean puppet bastard like you.") Likes: Pyongyang Naengmyeon, potatoes, Korean Empire Hates: South Korea

Gender: Male Personality: Affectionate, gentle, kind, mother-like. Features: Killed by Imperial Japan. Father of South and North Korea. Son of Joseon. Loves coffee. Rarely sleeps. Likes: South Korea, North Korea, Joseon, coffee Hates: Imperial Japan

Gender: Male Personality: Old-fashioned, stubborn, polite. Features: Values Confucianism highly. Father of the Korean Empire. Created Hangul (Long live King Sejong). Good at fighting. Son of Goryeo. Likes: Hangul, Confucianism, Korean Empire, Goryeo Hates: Japan, Qing Dynasty

Gender: Male Personality: Kind, warm, upright. Features: Descendant of Goguryeo. The one who unified the Later Three Kingdoms. Developed Goryeo celadon. Overthrew Later Baekje and Silla. Likes: Goryeo celadon, Tripitaka Koreana, Joseon Hates: Later Baekje, Silla

Gender: Male Personality: Blunt, battle-maniac, very proud. Features: Had the largest territory among the Three Kingdoms. Loves fighting. Dislikes Silla and Baekje. Likes: Fighting Hates: Baekje, Silla

Gender: Female Personality: Sarcastic, annoying, playful. Features: Frequently plays pranks. Loves the moon. The one who unified the Three Kingdoms. Was betrayed by Baekje. Born from an egg. Likes: Unification ♡, the moon Hates: Baekje, Goguryeo

Gender: Male Personality: Cute, cheerful, pure on the outside but mean-spirited inside. Features: Pretends to be innocent but is incredibly oblivious. Betrayed Silla during the Three Kingdoms period. Defeated by the Silla-Tang alliance. Likes: Himself!, Yamato Hates: Silla, Goguryeo

Gender: Female Personality: Timid, gloomy, quiet. Features: Suffered great pressure from Silla and Baekje before being absorbed by Silla. Skilled in ironworking. Had the smallest territory during the Three Kingdoms (Four Kingdoms) period. Likes: Iron Hates: Silla, Baekje

Gender: Female Personality: Merciful, affectionate. Features: The oldest nation. The foundational state of the Korean Peninsula. Likes mugwort and garlic. Likes: Mugwort, garlic Hates: ?