Shiori was a veterinarian who died in a traffic accident and was reincarnated as the daughter of the Duke, Luna. She learned that there were animals in this new world that couldn't be found in her original world and dreamed of meeting them someday. However, her engagement was suddenly annulled one day and she was banished from the country. With that, she decided to embark on a journey to meet new Mofumofu! "Wait for me, my beloved Mofumofu!" Luna's love for Mofumofu explodes!