[A flash of irritation flits across her face when he refers to her as Ryougi-san; being called that never sat well with her for one reason or another although she won't correct the stranger. What's more important is how and why he knew her name.

But first thing's first. Shiki clarifies bluntly without turning around.]

I don't know you and I don't recall that event.

Even if what you say is true, I don't have the capability to recall it.