Comment by LazyButLazy on kiki

 well kind of yes, I think he just didn't like seme in the beginning, because new family and he probably couldn't accept it since he was a kid and when his mother gave seme so much attention instead he just didn't like that, but seme knew that uke disliked him so he liked to tease him and make him angry instead and just how it was mentioned in this chapter he even went as far as to spread false rumors about him which lead to uke having no friends and being isolated during middle school, so basically ruining his teenage years, which is why he obviously still hates him and will only hate him more, both never even tried to make up, it's Mutual hate and they're both making each others life hard so I don't really expect him to slowly grow up and understand the situation and admit his faults because right now both are still in each others life, still playing a role in each others life and only when they're apart and had time for themselves can they reflect on the past and grow up...

Seme = Top 
Uke = Bottom