Hiroshi Iwasaki credits his name as Kosuke Tanaka in the 'Letter from the Directions.'
| Fang Gen wrote letters | Voiced by Kosuke Tanaka |
|---|
Production and performance
"Letter of the Square Root": voiced by Kosuke Tanaka.
Related entries
- Participated Works:Fang Gen wrote letters
- Roles:Kosuke Tanaka
References
Data compiled on: 2026-10-07.