|Debut||"The Great Adventures of the Dirty Pair"|
|Residential Planet||Niogi (birthplace)|
|Birth Date||December 27, 2121|
|Affiliation||World Welfare Works Association|
Kei is a hot-headed tomboy. Her interests and hobbies are weapons, martial arts and working on machinery. She also enjoys first-person shooter video games and her beverage of choice is green tea.
- This version of Kei along with Yuri and Mughi appear on a movie shown at a drive-in during a scene in the Crusher Joe movie.
The novels also explains that the oufits KEI and YURI wear includes have transparent armor that cover their exposed skin.