Even though I dislike being kicked by others, I do enjoy the feeling of kicking others

You are not wrong. You fought to protect your world. Isn't that good enough? After all, justice in this world is just a bunch of principles made by those with power to suit themselves. No one really thinks of others, you will lose everything if you cannot keep up. Only two kinds of people exist in this world—those who steal and those who are stolen from. So then, today, I just stole your future. That's all.

He is nothing more than one of my pawns. However, he is not a normal pawn. He is a pawn that can get across the whole board in one move.

Even though I dislike being kicked by others, I do enjoy the feeling of kicking others

I was born to end up alone.

So what? You're another person, so of course you look different. What do you need to be ashamed for?

If it's your wish, I will follow you everywhere even if your throne crumbles, and your shiny crown turns to rust. Even if the bodies pile up endlessly, above the bottomless pile of corpses. Beside you as you lie softly down I will be until I hear the word "Check mate!"- Sebastian