Keine Kamishirasawa is a were-hakutaku who acts as the guardian of the Human Village. During the events of Imperishable Night, she uses her abilities to conceal the Human Village from the heroines. She shows herself again in the extra stage on the night of the true full moon, having assumed her hakutaku form. Keine is loyal to her duties to the Human Village, both as a schoolteacher and as its guardian. As a proper teacher, she doesn't like people who are discourteous, but other than that, she is generally friendly towards humans - except, perhaps, for when she has assumed her hakutaku form.