The Kept Man of the Princess Knight (姫騎士様のヒモ, Hime Kishi-sama no Himo) is a Japanese light novel series written by Tōru Shirogane and illustrated by Saki Mashima.

It began publication under ASCII Media Works' Dengeki Bunko light novel imprint in February 2022.

Written by Tōru Shirogane and illustrated by Saki Mashima, The Kept Man of the Princess Knight began publication under ASCII Media Works' Dengeki Bunko light novel imprint on February 10, 2022.

[14] During their panel at Anime NYC 2023, Yen Press announced that they had also licensed the manga adaptation for English publication.

[15] An anime television series adaptation was announced during the "Dengeki Bunko Winter Festival 2025" livestream event on February 16, 2025.