The Unknown Diary of a Double-Faced Man

I seem to be me, but also different. It seems that I was not like this originally. I don't know when, I changed. An extreme dual personality. On the one hand, it tells you that you have to spend all your time practicing and refining weapons. On the other hand, you can't help but just want to be alone in a place where no one can see it, just read the story, just like this, just like this, not caring about anything, just like this, not contacting anyone, just like this, closing yourself off. But when the personality changes, how painful it is...