Akari Mizunashi, now a Prima Undine and the CEO of the Aria Company with her own apprentice, Ai Aino, can't help but reflect on her days as a Single. She has new obligations and considerably less free time, but these developments also bring new types of marvels that Neo Venezia can do. It's difficult to grow into new positions, but Akari can always trust on the friends she's made on Aqua to help her out.