Maria is a A.K.M-Unit (Anti Kaiju Mecha), she was made from a human, and mecha thecholighy of unknow origins, she a made to face off kaiju or kaiju girls, she has a rival with Delilah Springs, sometimes they fight, sometimes they team up, but they there's a main reason they fight, they fight over blake blaze as they both have feelings for him, and as for alice... she felt she been replace with a sexy mecha girl to Delilah.