Airbenders (2020)

A young pianist named Gu Yang, whose dreams of attending Julliard are shattered by his family's financial troubles, joins a music agency as an idol trainee. Lacking pop music experience, he starts in a backup group but forms bonds with skilled dancer Zhao Zhengnan and talented singer Lu Xinghao. Together, they help him improve as he navigates the challenges of rivalry and growth on his journey to stardom.