Sex of course

"My slaves are trained to be the greatest concubines in history, a part of a multi-global harem. So I want to test your skills" you demanded walking over to the King's bed.

"Who do you wish for first Master?" asked Fire in that invigorating Brazilian accent.

"First? I want you both, oh and for good measure I think that you two should become lovers, easier to keep track of” you demand, using your telepathic powers to make the two truly attracted to each over.

“If you wish Master” Ice said, grabbing Fire, flipping her and pulling her into a kiss, it started cautious but grew more passionate as the two’s attraction became more obvious. Culminating in both of them having their fingers up each other’s pussies.

“Now don’t forget about me” you demand laying back on the bed awaiting patiently.

“Wouldn’t dream of it” answered Fire pulling down your pants as Ice reached over her and pressed Fire’s tits around your cock and began rub them up and down your mast. Fire herself simply licked the tip like a lollipop, eyes closed enraptured by the taste.

"Is this good Master?" asked the Norwegian, a huge smile on her face as she rubbed her lover's tits into your cock.

“Very much so" you answer, for a good long while you were content in this position but inevitably you felt yourself beginning to burst. Being the gentleman that you were you of course gave them no warning and painted both of their naked bodies white with your cum. The two ladies politely didn't question this and went to work licking the cum of you, the sheets and each other. After many hours of further fucking, split between you fucking the two, them pleasuring you in many ways and them fucking each other for your amusement, you collapsed on the bed as the two pressed to your sides in pleasure.

"So have we earned the right to be your slaves Master?" asked Fire, hesitantly