"Uta no Prince Sama Maji Love Kingdom" is a 2019 anime film that serves as a continuation of the "Uta no Prince Sama" franchise. The story revolves around the idol groups STARISH and QUARTET NIGHT, who are invited to perform at the grand opening of the Maji Love Kingdom, a theme park dedicated to their music and careers. The park is designed to celebrate their achievements and provide fans with an immersive experience. However, the event takes an unexpected turn when the idols are transported to a parallel world resembling the theme park but governed by a mysterious entity known as the King.

In this alternate world, the idols are stripped of their memories and forced to compete in a series of challenges to regain their identities and return to their original world. The challenges are designed to test their bonds, talents, and determination, often reflecting their personal struggles and growth as performers. As the story progresses, the idols must work together to uncover the truth behind the King’s motives and the nature of the parallel world. Along the way, they rediscover their passion for music and the importance of their connections with each other and their fans.

The main characters include the members of STARISH—Haruka Nanami, Otoya Ittoki, Masato Hijirikawa, Natsuki Shinomiya, Tokiya Ichinose, Ren Jinguji, and Syo Kurusu—as well as the members of QUARTET NONE—Reiji Kotobuki, Ranmaru Kurosaki, Ai Mikaze, and Camus. Each character brings their unique personality and musical style to the narrative, contributing to the group dynamics and the overarching themes of unity and perseverance. The film blends elements of fantasy, music, and drama, emphasizing the idols’ journey of self-discovery and their commitment to their craft. The resolution ties together the challenges faced in the parallel world with the characters’ growth, culminating in a celebration of their shared love for music and their fans.