A teenage girl of sixteen finds it challenging to adapt to her new step-family. But when seven lads suddenly arrive, they disclose to her that she boasts of a unique and magical ability. Although hesitant in their company initially, she eventually teams up with them after a monster threatens the safety of her friend. Despite being untrained, she must demonstrate her competence in accepting the sacred Pretear responsibility. To thwart the evil plans of a destructive princess, the group must settle their disputes and collaborate.