People & Companies
| Name | Japanese | Role | Editions |
|---|---|---|---|
| Kei ISHIKAWA | 石川慶 | Director, Script | 2017, 2026 |
| Kei KATAYAMA | Cast | 2007 | |
| Kei KUMAI | 熊井啓 | Director, Script | 2021, 2026 |
| Kei MIZUTANI | Cast | 2005 | |
| Kei NAKADO | Cast | 2020 | |
| Kei NAKASE | Cinematography | 2014, 2015, 2019, 2023 | |
| Kei NARUSE | Director | 2004 | |
| Kei OHISHI | Original author | 2005, 2020 | |
| Kei OYAMA | Director | 2011 | |
| Kei SATO | Director, Cast, Voice acting | 2014, 2016, 2017 | |
| Kei SUEZAWA | Director | 2009 | |
| Kei SUGAWARA | Voice acting | 2025 | |
| Kei TAKAHASHI | Director | 2007, 2008 | |
| Kei TANAKA | 田中圭 | Cast | 2013, 2019, 2016 |
| Kei TANAKA | 田中圭 | Director | 2016 |
| Kei UMEZAWA | Director, Cinematography | 2012 | |
| Kei WAKAKUSA | Music | 2020 | |
| Kei YAMAMOTO | Voice acting | 2014 | |
| Kei YASUDA | Cinematography | 2005, 2010 | |
| Keichi HASEGAWA | Script | 2005 |