It's already been over a year since Akari Mizunashi made her new home on the water planet Aqua, a world once known as Mars. As an Undine in training in the beautiful city of Neo-Venezia, Akari continues to pursue her dream of becoming one of Aqua's signature gondoliers in the service of the prestigious Aria Company. Her job of leading high-end tours around the city also gives her the perfect opportunity to meet many new friends, from first-time guests visiting Neo-Venezia to the assortment of quirky and warm-hearted locals who have been helping her settle into her new home. This is Volume 4 of this Masterpiece edition of the series.