King of Prism is a Japanese anime film series that is a spin-off of the Pretty Rhythm multimedia franchise. It focuses on the journey of a group of male idols as they aspire to become top performers in the entertainment industry. The series is known for its vibrant animation, catchy music, and dramatic storytelling, appealing to both fans of the original Pretty Rhythm series and new audiences. Its themes include friendship, ambition, and the challenges of the entertainment world.