Which One is The Prince?(2014)

Six friends in the math class play basketball to relax and become the school champion. However, the girls are a little disappointed that they don't understand music. However, one day, the boy Endoo promises his friends that he will turn the math school into an art school. The children mock him for this goal. In order to fulfill his promise, he goes after his teacher until the principal gets tired of him and supports his project, almost becoming the principal's son. In this way, the math boys are shown transforming into a star band of electronic music.