Project A-ko: Uncivil Wars(1990)

A-ko and B-ko are bounty hunters in an untamed world. When a young heiress, C-ko, falls out of the sky and into their hair, they find themselves battling space pirates and galactic police. Turns out the high-pitched, hungry C-ko holds a secret —the spirit of an ancient evil— and is the center of a plot to destroy the universe!