Yamaguchi Tetsuji
山口 哲治
| Yamaguchi Tetsuji山口 哲治 | |
| Language | Japanese |
| Title | Released | Role | As | Note |
| Natsuiro Straight! | 2009-04-24 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Souten no Kanata | 2009-07-24 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Souten no Kanata | 2009-07-24 | Staff | Yamaguchi Tetsuji | Graphics, coloring |
| Magical☆Moerin♪ | 2009-08-21 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Kurogane no Tsubasa ~The Alchemist's Story~ | 2009-12-11 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Cthulhu ~Otome no Fureru, Tenshi no Yubisaki~ | 2010-03-26 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Nadeshiko Ranbu | 2010-05-21 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Cthulhu ~Great Hunting~ | 2010-08-27 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Inunaki | 2011-03-25 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Gokuin no Sentou | 2011-05-27 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Princess X ~Boku no Iinazuke wa Monsterkko!?~ | 2011-09-22 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Mahou Bishoujo Magical ☆ Moerin ♪ S | 2012-02-10 | Artist | Yamaguchi Tetsuji | Backgrounds |
| Princess X FD ~Iinazuke wa Owaranai!?~ | 2012-03-02 | Artist | Yamaguchi Tetsuji | Backgrounds |