Khun Phaen Begins

"witness his first mission. friend, love and enemy"

A young thief is living his life just for fun and troubled. When he meets his childhood crush, he decides to join an army to win the girl's heart over a perfect boy who is a soldier and falls in love with her. From Zero to Hero, he has trained himself hard to be ready to fight after he found out that there's a villain trying to conquer the city.