Age: 15/16 Birthday: November 16th Height: 168cm Weight: 53kg Blood type: A Birthplace: Tokyo Likes: things that are good for your health Previously known as Suzu. Chihiro grew up as the son of a Japanese classical dance master, but he longed for the world of singing and started posting his covers on video-sharing websites. Although he is the youngest in the group PROTOSTAR, he is cool and firm. (Source: Official website)