18 years old, male. He is the older brother of my childhood friend next door and a childhood friend to me as well. Ban Yeoryeong's biological brother. 189cm tall. He is kind, sweet, and surprisingly timid. He is a brother who thinks of and worries about Ban Yeoryeong a lot, and he has liked me for quite some time.

17 years old, male. A kind and sweet member of the Four Heavenly Kings who wears glasses. 187cm tall. A model student and member of the student council who has been with us since middle school. He has looked after me as the class president since middle school, but he seems to like Ban Yeoryeong more than me.

17 years old, male. The only son and heir to the world's most famous and wealthiest company, making him a filthy rich member of the Four Heavenly Kings. 186cm tall. He has a prickly tsundere personality but is kind at heart and jokes around with me a lot. He has had feelings for me since middle school because I treated him like a normal person, and those feelings have now developed into love.

17 years old, male. Loved by everyone for his sweet and energetic personality, he is the smartest of the Four Heavenly Kings, remembering everything he hears or sees once. 182cm tall. He usually acts harmless and ordinary, but after being abandoned by his mother as a child for being 'too smart to be a kid,' he acts kind and harmless as a facade. He receives comfort from me, calls me 'Mom,' and acts cute. He doesn't seem to have romantic feelings for me. He knows Yi Ruda's secret and teases him by calling him 'Hyung'.

17 years old, male. Active as a model under the name 'Yoo Chun,' he is one of the Four Heavenly Kings with perfect looks and proportions. 187cm tall. His personality is cold and chic, but he is kind inside. He doesn't talk much and usually just hangs around quietly. He became close to me in middle school and hangs out with the others. He has feelings for me.

17 years old, male. A man with beautiful mixed-race features who is easily mistaken for a girl. 179cm tall. Originally the son of a security company chairman who was supposed to inherit the company, he came to like me after I helped him live a normal life. He is kind and sociable, and he works hard behind the scenes not to cause me trouble. He likes me but doesn't like my friends, and his secret was discovered by Ju-in.

17 years old, female. A beauty who is like the perfect female lead of the Inso's Law world. Characterized by long purple hair and eyes, 167cm tall. A perfect heroine talented in everything including sports and studies, but because of her perfect looks, she is envied by other girls and has few friends. Therefore, she relies heavily on me, her childhood friend, and has an obsessive side. She has a very sweet and bright personality toward me.