Mami Choco (マミチョコ) is a group made up of
Omimura Mayuko and Tsuchiya Mieko (土屋美恵子).
The name of the group comes from "ma" from Mayuko
and "mi" from Mieko, and chocolate.
They chose chocolate because both girls love chocolate.
Mami Choco has released the following CDs.
> seiyuu page