- Voice Actor (CV)
- Kousuke Toriumi
- Role
- Supporting
- Identity
- Head coach of the Southern Tennis Club (STC) and a former elite professional tennis player who once peaked at No. 10 in the JTA rankings before a career-ending injury redirected his passion toward coaching
Personality
Composed under pressure
Sharply intuitive
Nurturing toward younger players
Seasoned with hard-won experience
Once a formidable force on the professional circuit with a peak JTA ranking of 10th, Ryuuhei Aoi saw his playing days cut short by injury, ultimately channeling his expertise into coaching at STC. Armed with an in-depth understanding of human biomechanics, he guides athletes on both a technical and mental level. As the protagonist Eiichiro's most trusted mentor, Aoi champions a coaching philosophy that harmonizes raw instinct with calculated reasoning—stepping in at pivotal moments to help Eiichiro navigate obstacles and steadily advance toward a professional career.