UltraManiac, Volume 5: Magical Transformations

Nina's friendship with Ayu is one of the best things in Nina's life. From playing with their pets, to dancing at a nightclub restricted to adults, they have been through a lot together. This friendship will be strained when Nina's grandfather enters the human world to keep Ayu away from Nina. Not only that, Nina finds out that Kaji is not the perfect guy everyone thinks he is? How will Ayu react?