He is very tall for a first year student. He has light brown hair that hugs his face. His eyes are open wide, and his thin eyebrows are curved downwards. He is often shown wearing a smile on his face. Overall, his face exudes a gentle aura.
Tsuyoshi is a very timid and quiet person. He is also very emotional as seen when Karasuno High beat Wakutani South High in the Quarter Final of the Main Preliminary in the Spring High-Miyagi Prefecture Representative Playoffs.
Not much is known about his background.
Spring High Preliminary Arc
Besides his above average speed, his abilities have not yet developed, for they are at or below average. According to the anime, because he is the tallest player in Wakutani High, he is the only blocker guarding Hinata, the use is only to lessen Hinata's spike power, while everybody else played more defensively to receive or to cover the wing spikers.
Jumping Reach: 325 cm
- Tsuyoshi (剛) – Sturdy/Strength
- Matsushima (松島) - Pine tree islands