Maybe it's because the story's setting or your character's personality makes it difficult to form close bonds. Or could be that the plot hasn't developed to that point yet.
It could be that the story hasn't developed enough to bring those people into your character's life. Or perhaps your character has trust issues preventing others from getting close.
There was no official release channel for the side story of the peak of power, so it could not be watched directly. However, some novel websites may publish offshoots without authorization, so you can search the relevant websites to see if there are any leaked offshoots to watch. However, please note that these chapters may not be officially authorized. There may be copyright issues, so please use them with caution.
Maybe you don't have to tell your side of the story because the truth will eventually come out on its own without your input. For example, if there are enough witnesses or evidence that can speak for you, you might feel it's unnecessary to add your own account.
Well, you could create situations where he realizes your importance and feels the need to be by your side. Maybe have a crisis that only you two can solve together.
Well, one way might be to find common interests or hobbies that you both can enjoy together. That can bring you closer and make him more inclined to be on your side. Another approach could be to show appreciation and support for him, and in return, he might be more likely to do the same for you.
I'm not sure which novel or movie you're referring to when you say 'the devil is by my side'. Please provide more information so that I can answer your question more accurately.