Life at the Tokino bathhouse continues as always - that is, until two more of the Valhalla Princesses arrive! With Pharm taking up residence in the school's clock tower while transforming every girl in school into a glasses-wearing maiden, and Inarva sending everyone to the ‘Punishment Dimension' for any minor infraction, things are busier than ever. Aside from inflicting her justice on everyone, Inarva has come to Earth to inform Kazuto that he shall marry Valkyrie on the Celestial Soul's day in three months time. However, before the ceremony can take place, Kazuto and Valkyrie must undergo the trial of the twin demons and retrieve the twelve Stellar Stones that have been scattered around town. Will the pair be able to overcome the trial, cast away their doubts and finally get married?
Kazuya Saotome is an electrical engineering student with a passion for computers, building his robot squid, and programming. One day he receives May, a hand sized cyberdoll, in a package from Cyberdyne Co. as a revenge tactic planted in a CD from his rival. With a little help from May to clean up his act, he may even be able to win over the heart of Kasumi, his landlord's daughter.