Oh it's our good old friend Stockholm syndrome

Actually














Spoiler










The seme really was uke type even when they were kids, he just forgot about it cuz he have amnesia but he actually liked the seme face way before but he had internalized homophobia

Interesting... Does not justify anything though

Off course nothing is justified here in this story or the novel, it just Stockholm syndrome is of kidnapped victims developing feelings for their kidnapper and this not case here cuz then the uke would develop feeling for the random men abusing him right now but he actually longing for the seme