Soon exchange students will be arriving at JYP High school. According to their interest every final year student pursues a subject for their career building in different school. These exchange programs always help student with a different experience. Jeongyeon decided not to go for an exchange program as her family was against it. Meanwhile she heard that one of her childhood friend Dhayun will be coming for Mathematics in JYP Highschool. She was excited because they will be going to see each other after 6 years. Many more new students were going to join JYP High school this year as JYP High school is the only school which gives such opportunity.