Boukoku no Emanon

A beautiful young man was sold to a caravan, and was the only survivor after being attacked by a group of bandits. He was rescued at the brink of death by a strong and brave prince, Altarf, who named him Yona. Yona pledged his loyalty to the prince and served him for several years. One day, while performing as a dancer at a banquet, Yona is given an aphrodisiac. His body starts to feel hot, putting him in a predicament. Under Altarf's heated gaze and touch, Yona's desire for him is ignited, and he becomes overwhelmed with shame. Yet Yona's feelings continue to grow.

(Source: Libre, translated)