Sao Ojisan - Seika Jogakuin Kounin

If I'm correct, "Seika Jogakuin Kounin Sao Ojisan" is the full title, which roughly translates to "The Old Man and the School for Girls" or more accurately "The Mature Woman and the Girls' School"

: The blonde, busty Student Council President who appears in her own dedicated episode. : A student featured in multiple segments. Tomoe Kisaragi

Here's a detailed review:

Character Dynamics: The Beauty of Asymmetry The core engine of the series is the interaction between the Ojisan and the elite young women he faces.

Conclusion

"Seika Jogakuin Kounin Sao Ojisan" stands out in the [genre] category for its [notable features]. Whether through its engaging narrative, relatable characters, or the themes it explores, the series offers [a unique viewing/reading experience] that appeals to [target audience].

His role is not to teach the girls Kendo in a traditional sense, but rather to serve as a living, breathing training dummy. Armed only with a standard bamboo sword (shinai), he is tasked with sparring against the school's top fencers, who wield specialized, high-tech, and sometimes magically enhanced weapons. He is legally authorized to strike the girls—a rarity in modern Japanese school settings—and he does so with the unrelenting, pragmatic brutality of a man who has spent decades sweating on hardwood floors.