Action, Comedy, Martial Arts, Ecchi, School Life, Shounen

Zen is a type of inner power energy that is essential in Martial Art World. The amount of Zen everyone has is different. Mingyum is a person without Zen who wishes to become East Asia's Strongest Martial Artist. Due to an argument with his sister on what Major she wants him to take at school and what he wants, he leaves, wandering around only to end up in a bad neighborhood. He ends up saving a girl, but gets himself beat up in the process because he has no Zen. Then he gets saved by a foreign girl who suddenly appears and announces that she is his fiancée. What will happen next?