Mayuko Omimura has a voice credit as Rirumu in the Japanese-language version of Mirmo Zibang!
Rirumu / Japanese
TV anime / 2002
Nina Sakura / Japanese
Special / 2002
Hikari Touno / Japanese
OVA / 1998
Otome-chan / Japanese
Short TV anime / 2008
TV anime / 2003
TV anime / 2004
Mimika Himeno / Japanese
Short TV anime / 2006
TV anime / 2005