Sim Hyun-seo

In 2001, Kyunghwan transferred from Yeongcheon, Gyeongsangbuk-do, to Suseong-gu, Daegu. He is a fan of Japanese culture. He discovers that Jaemin, the class president sitting next to him, also listens to Japanese music, and the two become friends. Jaemin helps Kyunghwan adapt to Suseong-gu, and Kyunghwan follows Jaemin around because Jaemin is always honest with him. However, Kyunghwan learns Jaemin’s secret and decides to share his own with Jaemin. However, after Kyunghwan reveals his secret, Jaemin becomes distant and cold, and the other classmates begin to bully Kyunghwan. Nevertheless, Kyunghwan still wants to be friends with Jaemin.

Yuwol, who is dancing all the time, has been considered to be the main culprit behind the dance virus at his school. The teachers calling for order begin to trace him. All 50 actors in this spectacle musical film are professional dancers, and especially the main actor took the title role in 'Billy Elliot' in Korea.