Rui is a highschooler in 11th grade. He works at an amusement park in a theatre troupe. He hangs out with his best friend, Tsukasa, a lot. He practically clings to him. But, one day, he got into a fight with Tsukasa. The show they put on failed due to Robo Nene breaking down and injuring Tsukasa. Tsukasa got mad at Nene, the person controlling Robo Nene and Rui’s younger sister. Rui, of course, got mad at Tsukasa. “You don’t have what it takes to become a star.” Rui said harshly