Date of Manufacture: Manufactured January 3, 2001, activated April 1, 2001
Seat 10 in Negi Springfield's class. She is a robot created by Hakase Satomi (and possibly Chao Lingshen) to serve Evangeline and protect her. She is in the Go Club and the Tea Ceremony Club. She is very skilled in hand combat and weaponry.
Chachamaru functions by a combination of technology and magic.
- .Hip length tea green hair.
- .Green eyes.
- .Pale skin tone and robot ears.