[Slowly, after watching her for a very long time, Yuuya takes a step back and lowers his head. His voice starts with its usual cadence and very gradually unwinds.]

I guess it's finally happened. I snapped! What a weak will. It was probably the doctor's intention all along.

Now I'm talking to a corpse, too? I'm as crazy as he is [No. The doctor's just cruel, he reminds himself. He was always like this.]

It wouldn't do any good to say I'm sorry now, would it? There was only supposed to be one human at this school, ever.