Yeon Shi Eun is a model student, who ranks at the top at his high school. Physically, Yeon Shi Eun appears like a weak boy, but by using his smarts, tools, and psychology, he fights against violence that takes place inside and outside of his school.
简介：Yeon Shi Eun is a model student, who ranks at the top at his high school. Physically, Yeon Shi Eun appears like a weak boy, but by using his smarts, tools, and psychology, he fights against violence that takes place inside and outside of his school.
