She--she never planned to let you live from the beginning...she wants to annihilate the entire village! If you're dead, she can get the approval to kill everyone in Hinamizawa and pass it off as Onigafuchi releasing a deadly swamp gas in the middle of the night.

[ Hanyuu shakes her head, trying to bat the tears out of her eyes. ]

But I...have no clue why. What she could possibly get out of murdering all of her research subjects, I just...don't know. I'm sorry, Rika.