Zoo (2005)

This collection of shocking, unpredictable stories feature the first screen adaptation of the number one young author of his generation, Otsuichi. Working with five different directors, ZOO features five stories (four live-action, one animated) of fear, sadness and pain:
"Kazari and Yoko": The mother of twin sisters, Kazari and Yoko, loves only one of her daughters, and abuses the other. When the abused tries to break free, things take shocking turns.
"Seven Rooms": One day, a young boy and his older sister find themselves trapped in a small, concrete room. There are seven rooms in all, each containing a different prisoner. On the sixth day, everyone will be massacred. Can they survive?
"When the Sun Shines": CG animation about a unique man learning about life and death in a world where most of humanity has already died out.
"So Far": A young boy's father is convinced that his mother is dead. The mother is convinced the father is dead. The boy is the only person that both father and mother can see.
"Zoo": A man kills a woman at an abandoned zoo and takes pictures of her dead body everyday. Then suddenly the zoo is gone and the line between reality and fantasy becomes blurred.