Kamishiro Rui is a third- year student at Kamiyama High School and a member of a musical show called Wonderlands X Showtime from the popular game Project SEKAI COLORFUL STAGE! feat. Hatsune Miku. He manages the Wonderlands X Showtime stage performance and is both an actor and stage director. He is also very skilled in inventing Machinery and also creating animatronics for the show.