The Knight Commander's Fall

The subordinate's obsessive advances.
Every night, the prince uses Elias, the commander of the knights, as his toy. Niffa, the vice commander, also ends up sleeping with Elias due to one of the prince's pranks—but his desire doesn't end there...
The fourth installment in the Knight Commander Series. It follows the previous chapters, but you can still enjoy it as long as you're familiar with the basic premise. Elias and Niffa are the main characters this time.

Official Translations:
English (Coolmic, Manga.club), T.Chinese, Korean