C27 Sister han's apology

My face was filled with helplessness as I laughed foolishly in a depressed manner. I opened my mouth, wanting to say something, but when I saw her move her lips, I immediately swallowed my words. I was afraid that she would repeat the same words as before.

I really don't have any ideas, so I might as well just say it out loud so that both of us won't be too happy