Hux isn't the romantic type. But he knows how much Kylo desires the Resistance's Ace Pilot. So when he gets a chance to capture Poe again, he makes a gift of him.
Kylo decides he's willing to share.
In other words, Kylo and Hux use and abuse Poe.
Other fun things to consider: + Bottom Poe + Past Ben/Poe + Inappropriate use of the Force (both mind tricks and physical applications acceptable) + Kylo and Hux being affectionate with one another while being merciless to Poe
Kylo/Hux/Poe - Non-Con
Kylo decides he's willing to share.
In other words, Kylo and Hux use and abuse Poe.
Other fun things to consider:
+ Bottom Poe
+ Past Ben/Poe
+ Inappropriate use of the Force (both mind tricks and physical applications acceptable)
+ Kylo and Hux being affectionate with one another while being merciless to Poe