This article is about a/an ally in Kamen Rider Agito.

Sumiko Ozawa (小沢 澄子 Ozawa Sumiko) is the genius behind the G3 System. Her position within the G3 unit is the system's monitor engineer, which monitors the condition of the operator and the G3 suit during combat from the G-Trailer mobile command base. She was in a constant rivalry with Toru Hojo. She is very glad when learning that Shouichi is Agito. In the series epilogue, she left the police force after the Overlord incident and moved to England to work at the University of West London as a professor.


Ozawa was born in New York in 1977. When she reached the age of 12, she was enrolled at MIT, and at age 15, had progressed to become the top graduate student in the course.

She is good friends with Makoto Hikawa, who is the user of the G3 system.


Ozawa is a blunt, cunning individual who highly regards her own work.

Powers and Abilites

  • Genius-Level Intellect: Ozawa is a genius, being able to create the G3 System and later the G3-X System. Her college professor stated the G3-X was a perfect system.


See also