Ojou-sama, that's—!

What is it, Sakuya?

Gulp…

That's the cup Imouto-sama was just using.

So that may constitute an indirect kiss…

I mean… We're sisters?

We're not going to worry about little things like that.

Right, Flan?

Huh? Why are you making that face?

Stop it! You're making me feel embarrassed, too…