Ken is the first person to become Sora's friend after she is denied her chance to audition for Kaleido Stage. He invites Sora to see the show and shows her back stage. He tells her of his old dream to be a performer. But, he has a weak heart and that ended his dream. But he still feels that Kaleido Stage is where he should be and he became a stage helper, the men and women who work behind the curtain with effects while the performers are on stage. After Sora performs during Romeo and Juliet accidentally and leaves, Ken comes rushing out telling her that Kalos has allowed her to join. Since that moment, Ken is always very worried about Sora since she hasn't had the same basic training that the others have had. Sometimes, Ken's crush for Sora makes him slightly awkward around Sora, causing h