|Series||New Sakura Wars|
|Sakura Wars (2019): Episode 1|
|Shin Sakura Wars the Animation: Episode 1|
|Japanese Voice||Yui Ishikawa|
- "Compared to the joy of serving Ms. Sumire, everything else is trivial."
As Sumire's personal accountant, Kaoru is very strict on the Revue's budget and oftentimes found arguing with Komachi Ooba.
A spectacled woman with a quick mind, proficient with numbers, and boasts photographic memory. Kaoru serves an important figure to all of Sumire's needs within the Grand Imperial Theatre, Kanzaki Heavy Industries, and the Combat Revue, whom she trusts undoubtedly in return.