Name means White Bunny, Shirousa is Kurousa's twin brother and along with Kurousa, he specializes in making pastries (Cakes, Cookies, etc.). he and Kurousa befriended Sophia when he and his friends were transported to the human world. Everyone except Sophia thought they were dolls, and were kept hidden until revealed (Mostly by accident). They assist Sophia with teaching her how to bake because she doesn't know how. (Source: Wikipedia)