Goshiki is 16 years old and his height is 5'9" or 181 cm. He is a freshman and a finishing player at the Shiratorizawa Academy men's volleyball club. Tsutomu has a medium build, dark brown eyes and black hair, bob haircut. He is hardworking, ambitious and likes to show off. Every time he makes a good move, he looks around excitedly, wondering if anyone has seen him (and is sometimes told off by Shirabu).