Ramonu: A seemingly "old lady" who only cares is racing. Her painting refences can be weird.
Still in Love: Has a split persona between timid yet recluse girl and the one who a "hunger" of defeating other umas which probably a yandere too.
Gentildonna: A gorilla lady with strength that surpasses most umas.
Surely Tact-chan doesn't need to be this unique yes?