Inazma Delivery takes place in Babiden City, a town where everything operates on electricity. Hemingway is a sincere young man employed by the delivery firm Inazma, which pledges to transport any package to its correct destination. One day, Bytheway, an extraterrestrial lost child dressed in a shark costume, appears and requests to be delivered to his home planet. Soon after, Hemingway and Bytheway find themselves caught up in various adventures.