BT
| BT | |
| Type | Person |
| Language | Japanese |
BT was a member of 07th Expansion. He passed away on July 10, 2009.
| Title | Released | Role | As | Note |
| Higurashi no Naku Koro ni | 2002-08-10 | Staff | BT | Music room, omake game, script (circle's logo, installer) |
| Higurashi no Naku Koro ni Kai | 2004-12-30 | Staff | BT | Music room, omake game, script (circle's logo, installer) |
| Ookamikakushi | 2009-08-20 | Staff | BT | Planning assistance |
| Himawari Aqua After - The Day the Moon Stood Still | 2010-08-14 | Staff | BT | Special thanks |
| Rewrite | 2011-06-24 | Staff | BT | Special thanks |
| Umineko no Naku Koro ni Saku | 2019-10-04 | Staff | BT | System |