That Nicholas can also be called Nick. a 17-year-old boy who served as student council president at school. he is firm and has more views about the future, making him the so-called teacher pet because of his mad study. He is firm and obedient to the rules, sometimes sharp-tongued and unconsciously hurts someone's feelings because of his firmness as the student council president. Until a beautiful but bad girl becomes a new student at Nicholas school and becomes a student in his class.