The SoulTaker S01 E04 The Slithering Darkness

A boarding house in the middle of the forest is the home for another flicker named Sayaka Tachibana. Outside the boarding house Kyosuke, with Shiro, observes the boarding house. Later, the houses nurses says that she will help them. Is this nurse really going to help them? Or is she a minion of Dr. Narugami?