Ah! Who does Onee-sama belong to? Weird things are happening in the Morisato household—an eight-legged horse appears in Urd’s bath, Keiichi shrinks, and Keiichi goes 2D. Luckily, Belldandy’s little sister Skuld arrives with a solution: the bugs are causing it, and she claims that the only way to get rid of the bugs is for Belldandy to return to Heaven.