Fujiwara Sunao stands out with her unconventional preference for masculine clothing and short hair. However, what truly sets her apart is her unparalleled talent in water manipulation. Despite initial skepticism, she surprisingly blends in effortlessly with the school community. She navigates the inconsistent behavior of the head, the peculiar and slightly fixated nurse, and the ambitious underclassman who seeks to learn from her, all while maintaining her sanity. Fujiwara's distinctive abilities might just be the key to rescuing the school.