Angel's 3Piece!

Sinopsis

Kyō Nukui is a reclusive high school student who spends his days composing music and uploading it online. He receives an email from someone claiming to be an older gentleman interested in his music, leading him to accept an invitation for a face-to-face meeting. To his surprise, he finds three elementary school girls awaiting him. These girls are fans of his work and seek his help to organize a concert at their orphanage. Despite their young age, they are skilled musicians with good equipment, and Kyō must decide if he can produce their performance.