"Sakura Wars the Animation" is a 12-episode anime series set in an alternate 1940s Tokyo, blending steampunk aesthetics with supernatural elements. The story revolves around the Imperial Combat Revue's Flower Division, a group of young women who serve as both performers in a popular theater troupe and defenders of the city against demonic threats. The team operates advanced mecha called Kobu, which they pilot to combat supernatural enemies known as "Kouma."

The narrative begins with the arrival of Sakura Amamiya, a spirited and determined girl from the countryside, who joins the Flower Division as its newest member. Sakura's arrival coincides with a series of escalating Kouma attacks, forcing the team to confront both external threats and internal challenges. The Flower Division members, including the disciplined Sumire Kanzaki, the cheerful Hatsuho Shinonome, the reserved Anastasia Palma, and the enigmatic Azami Mochizuki, must balance their roles as performers and warriors while navigating personal growth and camaraderie.

As the series progresses, the team uncovers a deeper conspiracy involving the Kouma and their connection to the city's history. The narrative explores themes of teamwork, sacrifice, and the struggle to protect loved ones in the face of overwhelming odds. The Flower Division's battles against the Kouma are interspersed with moments of lightheartedness and character development, particularly through their theatrical performances, which serve as a metaphor for their unity and resilience.

The climax of the series sees the Flower Division confronting the true mastermind behind the Kouma attacks, culminating in a high-stakes battle that tests their resolve and bonds. The resolution emphasizes the importance of trust and collaboration, as the team emerges stronger and more united. The series concludes with a sense of hope and continuity, leaving room for further exploration of the characters and their world.