Rankan chôkyô: Mesuinutachi no nikuen (2006)

Utako (Aoyama Erina) runs desperately through the woods in tattered clothes. Utako came to this forest in pursuit of her missing lover a few days before her. The forest manager didn't recommend going into the forest, but Utako doesn't mind. Unable to find her, a ferocious blow hits her exhausted from behind. When she wakes up there.