Ooyama Seiichirou
大山 誠一郎
| Ooyama Seiichirou大山 誠一郎 | |
| Language | Japanese |
| Links | Wikipedia (ja) Wikidata Xitter |
Ooyama Seiichirou is a Japanese novelist.
| Title | Released | Role | As | Note |
| Trick x Logic Season 1 | 2010-07-22 | Scenario | Ooyama Seiichirou | Jiken File Number 4 |
| Trick x Logic Season 2 | 2010-09-16 | Scenario | Ooyama Seiichirou | Jiken File Number 8 |