Kimihisa Usui
Kimihisa Usui (臼井公久, 臼井 公久), credited as Executive Producer.
Appear in the games: 77: Beyond the Milky Way, I/O, Black/Matrix Zero, Black/Matrix II, Sentimental Graffiti, Black/Matrix +, Natsuiro Kenjutsu Komachi, JailBreaker, Debut 21 and Black/Matrix.
Also known as: 臼井公久, 臼井 公久
Kimihisa Usui