Flower of the Sun by Harvey

Flower of the Sun Manhwa Plot: The family’s illegitimate child, ‘Zigrien’, is forced to become the apprentice of ‘Idris’- the knight leader of the Knights Templar under the direct control of the Crown Prince- to find out his weakness. Upon hearing the rumors about the cold-blooded Idris, who is called the prince’s dog, Zigrien tries to remain unnoticed by Idris. But on his first day, he witnesses Idris and the prince, ‘Laurent,’ having an affair. When the prince asks about it, he lies about being in love with Idris…! “I’ll give you a chance to hold the one you love so much for the night. Get drunk, right here.” The Crown Prince gives the direct order and Idris leads Zigrien through the night. How will this relationship end?