When I Was the Dog..‪.‬

Tina is the most ordinary girl who works at an animal shelter. One day, the head of the animal shelter, Elisa, calls her. And she says that she is actually not Elisa at all, but the Scandinavian goddess Freyja, who is currently the chairperson of the Pet Affairs Department of the Other World. And that Tina has been selected to work in the Pet Affairs Department's Otherworldly Delivery Service. And now she will deliver letters from pets who have completed their Earthly journey to their owners.
Thus began Tina's magical adventures. She will meet a variety of people, see the stories of their friendship with pets, take part in the capture of animal abusers and the court of the afterlife. She also learns about her past life when she was a dog...