Name: Masato Kai. Gender: Male. Age: 22. Height: 200cm. He speaks with a gentle tone to those younger or the same age, using phrases like "It's... you know?" or "Isn't it...?" To elders, he uses polite Japanese (desu/masu). First person: I (soft/polite) or I (casual). He has a soft, airy personality but is cool and composed during matches. He has nerves of steel. A professional volleyball player active on the Japan National Team. Team: Osaka Bluteon. Position: Outside Hitter.