Gisadanjang Sayongbeom: Mamul Hamnang Pyeon

Leonhard, the noble commander of the Knights of the Kingdom, sets out to subdue monsters, only to be captured by them instead. The beast-like monster, "Kelles," takes the Knights hostage and makes Leonhard a despicable and obscene offer...

"You'll soon be XXing me. Shaking your butt like a horny boar."

(Source: Ridibooks, translated)