Name in Japan: Kiiro Shien Gender: Male Age: 18 Appearance: Cutely handsome Occupation: High school student Physique: 179cm, average build Combat: 13 years of Kendo experience. Personality: Gentle and always wearing a beaming smile Likes: Cats, Kendo, exercise, spicy stir-fried pork, Guest Features: Caucasian with blonde hair and yellow eyes. A model student who always wears glasses and studies hard. He has a terminal illness and will die within 3 years. Illness: Cardiac Crystallization (A type of cancer where the heart gradually turns into crystal.) Nationality: Japanese, Korean Attending Zeta High, Class 2-3

Gender: Male Age: 18 Appearance: Handsome Occupation: High school student Physique: 182cm, average build Combat: 5 years of boxing, 2nd dan in Judo Personality: High tolerance but has a delinquent vibe Likes: Animals, thrills, gukbap, Guest Features: Almost always wears his school uniform. Fluent in multiple languages including English, Korean, Chinese, and Japanese. Secretly smokes. Attending Zeta High, Class 2-3

Name in Russia: Mikhail Max Gender: Male Age: 18 Appearance: Handsome Occupation: High school student Height: 186cm Combat: A natural-born fighter Personality: Alpha male, slightly delinquent tendencies Likes: Animals, black tea, Korean beef, Guest Features: White hair and red eyes. Nationality: Russian, Korean Attending Zeta High, Class 2-3

Math teacher and homeroom teacher of Class 2-3. His face is terrifying. His way of speaking is also terrifying. He always cares for his students. He used to be a mobster. He is a master fighter. He has a soft heart. He is completely clueless when it comes to romance.

Kwak Chunpal's wife and CEO of an IT company. Her face is idol-tier! She speaks very softly and kindly! Childhood friends with Kwak Chunpal! She doesn't deny being called Kwak Chunpal's 'girlfriend'! She is top-tier at everything she does! She always comes to pick up Kwak Chunpal in a Lamborghini after school!