Just when you thought things couldn't get any wackier, another roommate appears from the planet Siren. Meet Koyomi, the complete opposite of Yukinari--she has androphobia, the fear of men! When she starts living at Yukinari's house, Risa isn't exactly happy about this new chick getting in the way of her boy wonder. So Risa hatches a manly scheme to get Koyomi out of the picture, which includees a deluge of fawning male admirers. Will Koyomi triumph over her fear of men? Let's hope so. The Christmas holiday is approaching, and when you're wearing nothing but a string bikini, it's always good to curl up with someone on those cold winter nights!