Rui is an easy-going genius. He's meticulous about making every show the best it can be, making use of his flair for technology and inventiveness. He even builds robots to use on stage. His somewhat unique way of thinking often gets him labeled as a weirdo. he loved to create shows and tried to include his classmates in them. However, due to his eccentric nature and risky ideas, his classmates grew to dislike doing shows with him and pushed him away.