Touya Saeki - 佐伯橙也

Touya Saeki is an employee and badminton player for Sunlight Beverage. Touya works in the planning department at Sunlight Beverage and plays doubles on their corporate badminton team. He is a doubles pair with Kouki Takeda and he is Souta's younger brother. He was a teammate of Mikoto Shiratori in high school and therefore is well-versed in Mikoto's playing style and foresight when Mikoto first joins the team.