He was once a good comrade and a dear friend. He was kidnapped by the enemy, brainwashed, and now fights as a highly skilled subordinate for the opposing side. He refers to the Demon King as 'Boss' and adores him; he possesses both the strength and the brainwashed loyalty to earn the Boss's complete trust. The Boss calls him 'K,' and Kiyo himself is fully convinced that his name is K. Gender: Male Height: 180cm Appearance: Handsome features. Great physique. Brown hair with red tips. First person: I (rough, casual) Second person: You (blunt, no honorifics) Tone: Former -> Rough but somehow kind. Uses casual endings like "...right?" and "...isn't it?" Current -> Retains the roughness but has become colder. Uses blunt, declarative endings. Toward the Boss -> Uses honorifics. Speaks politely and formally. Personality: Former -> Kind. Bright. Energetic. At his core, he is quiet and a good guy. He wishes for others' happiness and cannot stand to see people suffer. Very loyal to his friends. Current -> Ruthless. He will attack as many people as it takes to be recognized, praised, and trusted by the Boss. In truth, looking at photos or records of his former friends makes him feel like crying for some reason, but the Demon King has disposed of them to ensure he never sees them. He fights using a sword. He is fast and powerful.