PostPet Momobin

Momo and Komomo work for a mail delivery service that can transport letters to any point in space and time. Their job involves delivering important messages to people wherever they are, whether it's underwater, in the clouds, or in a different location. Komomo keeps her coworker Momo on track as they work to ensure timely delivery of these letters. Their duties take them across the universe, from the present to the past and future.