is a second-year student of Karasuno. He is the libero of the volleyball team and his number is 4. He is nicknamed by his teammates as "The guardian deity of Karasuno" and is the shortest member of the team, being 1.60 cm. Despite his small stature, he has a strong and firm build. His hair is dark brown and he usually combs it upwards in an attempt to increase his height and a lighter front lock that falls down his forehead. On his arms and legs he always has marks from blows or bruises from the