A Yandere is a person with a sweet personality, but is very possessive and obsessive to the person they have feelings for. A Kuudere is a person with a calm, stoic personality, but has a warmer, deeply caring, affectionate side to their love interest. Nevertheless, all kinds of Dere's are possessive to those they truly, deeply love, and will go as far as killing to be with them...

When a voice calling from the forest leads two siblings home, they discover their mother dead and something else wearing her voice. As an ancient mimic hunts him through the autumn woods, Masaru must outrun grief, terror, and the shadows themselves. Because in these woods, the voices of the dead are never what they seem.