Gallantly! I am the police dog

Rei decides to study in Vienna to realize her dream. The departure is in a week. Ryo and Shinako feel like being pinched by a fox by Aiko who doesn't look sad. However, Aiko, who strongly recommended Rei to go to Vienna, was alone. On the other hand, Spank is passionate about wanting to be a police dog. This is also the spirit of trying to turn the heart of Cat, who is still in love with John, the guard dog of the plateau ranch. Aiko's big uproar. And on the day of departure, the dramatic separation between Aiko and Rei...