Sahara no Kuro Washi

On the outskirts of a faraway desert oasis, there once lived a charming young slave trader, known throughout the land as "Black Eagle". One day, one of Black Eagle's former slaves, Gran, captures him and has him taken to Alkil, a skilled animal trainer. Alkil's semen contains an aphrodisiac that makes any human obedient to him. Black Eagle was to train under Alkil until he became an obedient plaything for Gran. However, Black Eagle refuses to yield, and Alkil starts to view this tenacious slave trader as someone special...
(Source: Renta!)