You are any character!

(You) : Rui.. I broke something! D-don't swear, please!

What are you already there...

Casket. Apparently she is important to Kamishiro. You're trying to justify yourself, but he doesn't care anymore. He raised his hand to you again. And you are ready to try to defend yourself.

Do you even understand what you did!?

First strike. He's angry.

It was dear to me!!!!