Mori plays doubles for Fudomine with Uchimura Kyōsuke being his partner.
He has black hair with brown eyes. He also has a fair skin color. Most of the time he is seen wearing his Fudomine tennis uniform.
Like the rest of his team, Mori shows deep devotion and loyalty towards Tachibana.
Mori was one of the younger members of the Fudomine tennis club who were looked down upon, but later started a new tennis team after Tachibana Kippei's arrival to the school.
With Uchimura , he played against the team of Oishi-Kikumaru at the Tokyo district preliminary.
Playing Style and Techniques
Mori is predominantly a Doubles player and is usually paired with Uchimura. His skills in this field is rather unknown, as his only on-screen play was brief. His teamwork with Uchimura was shown to be at least better than Fuji and Kawamura's, as he defeated the Kita/Nitobe pair that the Seigaku 3rd years formerly lost to at a tie-breaker, but significantly weaker than the Golden Pair, despite taking 2 games from them.
- His favorite foods are soba and curry udon.
- "Uchimura, let’s destry their rhythm first." ("Uchimura, aite mate bara wo kuzi kuzo")