I Second rats explanation, if you have read to this far and not caught on that Caesar is emotionally stunted and doesn't understand the norm of what is right and wrong like when he was going to shoot that kid for touching him and then how shocked and confused he was when he shielded the other one from the gun shots. What have you been doing? Caesar has never been in love this is a first for him I don't even think he knows it's love since Sasha never gave him any and his mother is nowhere to be found. We know he was in the wrong, we know that in a normal situation just sorry wouldn't be enough, but that's why he needs Leewon, his love will help Caesar better understand and promote positive personal growth. And Leewon gets a dedicated lover who will be on his side, can help get sh** done and an extended "family" really the ones who should be killed and punished is Dmitri and Sasha.
I know it's fiction, but I still have an opinion and it can still pizz me off.