Disturbing but at some point it shows vulnerability and soul. Kotoko is indeed a woman like no other, she sees double and incidents  turn from bad to worst until ultimately her child was taken from her. Cocco, a J-pop folk rock singer portrays Kotoko quite well, her facial features seem to match her quite unstable state, something to do with the slant in her eyes that will make you take a second look. Acting is laudable and the idea of her singing to keep her sanity is somewhat unique,  her voice has that melodious and lilting sound that will charm you, viewers won't think for a moment that the owner of such a warm and calming voice is a mentally disturbed person. Worth checking out!