Star Guardian Generation

Yujin Park has a perfect day his very excited to go to his first day of school today has a perfect day but someone watching them but then when the school ends he saw a silhouette of the person he chases down and saw his cousin Maewon. He tells yu jin he become a star guardian and Yujin couldn't believe his eyes Maewon is a star guardian after that maewon told him about a girl name Ahri asset him to give him a star stone to his cousin Yujin first star invited him to meet him Is this gonna be his truly desired to become a new generation of a star guardian to become a number 1 hero of Valoran city or maybe his path to become a kpop idol.