Also known as: お嬢様どうかニンジャはおやめください!
Light novel authored by Aomoto Keikaku (青本計画) and illustrated by Inue Kazune (乾和音). The in-house English translation of the title is <i>Please don't be Ninja, my lady!</i>
Official website: https://www.es-novel.jp/booktitle/100ninja_r.php