Naoki is a cold man to most people. He's smart, having an IQ of 200 and always being number 1 in all his exams due to this he was placed in class A (highest class). He has the ability to memorize things at first sight. He never studies for any of his exams due to the fact he is a genius, and goes to sleep very early - at 9 o'clock. He is good at sports such as running and tennis. He is the number 1 student in his high school and the number 1 genius in Japan. There are 6 class, (F is the lowest).