Tomohito Akai dominates as Kenjou High School's premier baseball talent, wielding exceptional hitting power that propelled his first-year team to the Spring Koshien tournament. His hits forced the installation of raised outfield fences. Elite pitcher Toma Tachibana acknowledges him as the finest batter he ever faced—the sole player to land a hit against his pitches. Tomohito’s menacing presence at the plate, marked by "Adachi’s left-handed cleanup face," cements his reputation. Against Meisei High, he smashed a double off a changeup and later drilled a line drive triggering an inning-ending double play, proving his relentless threat.

His relationship with younger half-brother Ryo Akai, a Meisei High baseball convert from soccer, remains strained due to their step-sibling dynamic. Tomohito visibly chafes when Ryo openly roots for Meisei against Kenjou. Off the field, he displays intense baseball dedication, described as taking the sport "extremely seriously," coupled with observable rudeness and lack of charm—evident when he coldly dismissed Arisa Mita during her visit to his ailing brother.

Beyond the diamond, Tomohito features as a playable character in the "Power Pro Baseball" mobile collaboration, boasting batting-focused skills like "Long Final At Bat" and "Steadfast at Batting Fourth" that mirror his feared cleanup-hitter role.