The series comes from the Namco Bandai 1987 arcade game character of the same name that got a bit of a resurgence back in 2014.
It’s been several years since we last heard anything about this property but the folks at Tubi TV Are now streaming the Wonder Momo five-episode OVA series.
Warudemon, king of the alien empire, uses various tactics to hunt down Momoko and the people around her.