Akari Mizunashi envisions a future as a Prima Undine, only to realize her uncertainty about leading Aria Company. Seeking guidance from her mentor, Alicia Florence, a renowned 'Water Fairy' of Neo-Venezia, Akari is astonished by Alicia's past challenges and eventual triumph over self-doubt. Encouraged by her mentor's experience, Akari readies herself to confront the obstacles ahead as she strives to fulfill her aspirations.