|Also known as||PKH Azuma|
|Occupation|| Swim Coach|
Professional Swimmer (formerly)
|Affiliation||Iwatobi Swimming Club (former)|
|Swim Style||Freestyle (former)|
Ryuuji has dark hair with bangs parted to the right of his face. He has narrow, dark grey eyes. He has light stubble on his chin.
From what the anime has revealed thus far, Ryuuji is an unusual individual who says whatever he wants. He is rebellious but smart. He expresses interest in coaching Haruka Nanase.
As a former swimmer at Iwatobi Swim Club, he was extremely powerful and had a promising career in the competitive scene. He was known as "Fully Built Ryuuji," however, he suddenly retired. After retirement, he began coaching overseas. He has returned to Japan, and now owns a food blog.
- He doesn't like mackerel.
- Azuma (東) means east in English.