Neo-Venezia has reached a long winter. Ai, Azusa and Anya, who were practicing jointly in the cold weather, visit the Undine Museum, led by Akira who seems not her usual self. At the museum, the trio meet its director, Asuka who is Akira's senior known as Himeya's legendary undine. The two of them...
As Fu and her friends begin their third and final year of high school, the photography club gets two new members; freshman Takumi Shindou and sophomore Suzune Maekawa. Thinking about what to do after graduation, Fu decides she wants to pursue a career combining photography and travelling....
The season is fall and the city of Neo-Venezia is covered in fallen leaves. Something is bothering Anya, who works at Orange Planet. Her senior colleagues Alice and Athena haven't seen each other due to their busy schedules, which is making Athena feel sad. But for some reason, Alice seems to be...
Now that Akari Mizunashi is a Prima Undine and head of the Aria Company with her own apprentice, Ai Aino, she can't help but reminisce about her time as a Single. She has new responsibilities and much less time on her hands, but these changes bring with them new forms of miracles that Neo Venezia...
Akari finds herself nervous coaching a new undine as a Prima, until she awakens to find that it is just a dream. To soothe her worries, Alicia recalls stories of her beginnings as a Prima, as well as the memories she made.
