I think Choa a slut too bcs he let the prince taste him so that the prince will let Choa meet Biryu. Well!! I don't know why I think Choa a slut ╮( ̄▽ ̄)╭ maybe cause his body has been touch by other a lot and not just Biryu. Gladly, those chapter when he sleep with the prince was short, I can't stand to watch it till the end!! Huh! ╥﹏╥
Of course he’s gonna ask why did you do that?! Are you dense! if you translated it the way you said you did in your other comment you would know, now you’re making it obvious you didn’t. When they were ‘doing it’ you can clearly see the purple smoke surround them. The prince the pointed out the pot in the ch. afterwards, he said it had a smoke that was intoxicating and made him drugged. He even said people use it to drug out. Choa then compared it to the red little balls mujin would give him that would make his body go into heat.
Choa, you slut. I said what I said.