Joshi no Kyonyuu Kishi Dancho wa ore no Niku Onaho!- Toshishita Koibito Kara Nakadashi-dzuke de Netotte Haramase ana Ni! | 上司の巨乳騎士団長は俺の肉オナホ！～年下恋人から中出し漬けで寝取って孕ませ穴に！～

A fantasy world of swords and magic. The protagonist, born of a prestigious noble family, is the vice-commander of an order of knights based on blood alone. He was being disciplined and humiliated daily by Hilda, a brilliant genius and the leader of the most powerful and beautiful female knighthood.

At one point, the protagonist witnesses Erma, a new knight in love with Hilda, make a mistake so big that it could lead to her execution if exposed. He saw this as an opportunity to take revenge on Hilda, and succeeded in signing a contract that would allow him to do as he pleased with her body for two months in exchange for covering for Elma's sins.

Hiding from the other knights and Elma, he calls the strongest female knight leader, Hilda, whenever and wherever he wants, fucks her as a masturbator, beds her, and corrupts her! The dream life of a knighthood was about to begin!