Historical bl's

Wolfgang Goldenleonard, the 4th Prince of the kingdom, returns to the palace after years of living in hiding. He rejects everything about his new royal life, but is intrigued by the mysterious and dutiful Shin Soohyuk, a catamite of the King. As Wolfgang slowly opens up and learns the ways of the palace, Soohyuk begins to see something special about the wild, unkempt, and stubborn young prince. He might just be the one Soohyuk has been waiting for...the one who could light the flame of rebellion

With the screech of rubber and a crunch of metal, Dojin departs the mortal world, leaving behind his beloved sister and niece. He awakens in the kingdom of Yooguk, where the people call him “emperor” and serve a god named Yellow Dragon. Dojin soon discovers that Yellow Dragon called him to Yooguk for a purpose: to share his “life force” and protect the kingdom. As Dojin slips deeper into Yellow Dragon’s cold embrace, how far will he go in order to get back home?

So basically the mc became a servant of his enemy without knowing it was his enemy that killed his clan.then . Kasan(the mc) slowly falls into unknown attractiveness from Igen, who he thought to be cold and distant.
This is really good you should read it

To break an ancient curse that plagues the royal bloodline, young Prince Tasara is destined to be sacrificed in death. Nara is the one they chose to kill him and when he saw Tasara he was like"aaww how could I kill someone like you you're so young and cute", and he got attached to Tasara that made him not want to do the mission.

Alexander, a knight - hunter, during the execution of a task found a man - a dragon with a broken horn. According to him, as a child he had a best friend, and in order to meet him at least one more time, he did not mind sacrificing his horn. The dragon had been waiting for his friend for over ten years to see him again. Alexander did not expect that the dragon offendedly demanded him about the "old promise"

Overbearing loyal dog devil x high mighty calm and cold swordsman, as a pair of lover's forced to part in their previous lives, in this life at last both of them meet, the cold swordsman has lost the memories of his past life, the domineering devil turned into an attached, loyal dog, you don't like my devil's appearance? Then I'll become a cute pet and accompany you! Want to eat sweet candy? Come and follow this super sweet candy series!

The cruel and lecherous prince x The meek and mute servant.
So the prince wanted the girl from the Chen family to be a concubine cuz he wants the family's money ok, so the girl didn't want and they decided that their male servant that is mute who is very beautiful will replace the girl and so on... If you want to be angry and frustrated I recommend this one ahhahaha

Third Prince Jing Shao was victorious in war and always surrounded by countless beauties. However, he was wrongly framed and lost everything. Yet the only person who followed him was the unfavoured male concubine that he neglected for years...... After his reincarnation, Jing Shao decided to start afresh and chase after his male wife. Although it seems things will not go as planned, chasing a wife is harder than he thought!

As the grandmaster who founded the Demonic Sect, Wei WuXian roamed the world in his wanton ways, hated by millions for the chaos he created. In the end, he was backstabbed by his dearest shidi and killed by powerful clans that combined to overpower him. He incarnates into the body of a lunatic who was abandoned by his clan and is later, unwillingly, taken away by a famous cultivator among the clans?Lan WangJi, his archenemy.
This one has an anime adaptationif you want to watch it.