Kio houses a cat-eared alien named eris who's on a mission to establish friendly ties with the earthlings. However, he was whirled into a series of trouble when eris was ambushed by "the underside of kitten paw." A secret cult group led by the mysterious heiress, Antonia. As part of the protection squad, Manami and Aoi must embark on an operation to save their friend-- which means fighting against Antonia's strong army of maids?! Here is the long-awaited third volume of the first-contact love comedy!