Hux's mountains of daddy issues and his embarrassing infatuation with his co-commander combine in the worst possible way when the Commandant (on a visit that was supposed to be Hux's chance to show off his work and finally prove himself to his father) ends up hitting it off with - and hitting on - a very receptive Kylo Ren.
Bonuses: Kylo calling Hux Sr daddy, very public and possibly inappropriate displays of affection, and Hux walking in on them/catching them on the security holos/accidently hearing Kylo's breathy desperate comm message left for Hux Sr/whatever and shamewanking to it.
Kylo/Hux Sr, one-sided Hux/Kylo
Bonuses: Kylo calling Hux Sr daddy, very public and possibly inappropriate displays of affection, and Hux walking in on them/catching them on the security holos/accidently hearing Kylo's breathy desperate comm message left for Hux Sr/whatever and shamewanking to it.