Akari Mizunashi has made her home on the planet Aqua, in the charming little town of Neo-Venezia. She is determined to become an undine and as her training continues, she finds herself in the middle of her first Neo-Venezian winter! Playing with snowbugs and going to hot springs with her friends, Akari is embracing her new life amidst the changing seasons, but nothing can compare to an encounter with a mysterious group of creatures. They will take Akari on an adventure of unseen places, but they won't have to travel far!.