So did the ml do it with the pink haired guy? Im confused

Its implied thay he only watched him to do it with the other guy. Ml didnt do it with the pink hair. Im not sure about the Jealousy, its not jealousy but rather decency? He is saying to lay low and just be his concubine without causing trouble and to not love him. That's what I understood, others with better intellect might explain better lol

Also I think he killed the guy because pink hair called the Ml 'beloved', after what happened with the mc, it prolly triggered him lol. Instead of killing the pink hair, who was appointed by his mother, he took out his anger on the other guy i guess?

No he finds them all disgusting, but decided to keep them because after he killed one of his fathers concubines his mother freaked out on him and he decided to just let them live. They where all his fathers concubines but since he’s now king they went to him. They just live there. He doesn’t feel shit for them. He’s just telling them to know their place. Don’t dare show affection for him or anything because he will kill then since he already promised eternal love to his beloved. But this pink mofo is like oh you love looking at me fuck other men I looveeee you. So he was like ahhh hell nah and showed him what will happen to him if he keeps irritating him. He will kill him. So yeah he ain’t shit. But you bet that’s not going to stop this dumb ass bitch from trying something. Btw pink hair says he loves him but used to fuck his dad. Naasstttyyyyy.

Thank you for the detailed explanation muwah. I get it now and I also hate the pink haired guy. I sense that he's up to something bad