For 3 million yen, an unusually high sum, young Tôru Igarashi, a student, accepted a six-month odd job in an orphanage deep in the mountains, to take care of children and help with chores. interview. There he meets Sakurako, a 14-year-old teenager and the group of children, a little suspicious but nonetheless full of energy. Everything seems to be going well until after dark, this joyful atmosphere becomes unhealthy and extremely bloody! Far from the world, Tôru's nightmare has only just begun. Children become incredible machines to kill, slaughter, butcher ...

For 3 million yen, an unusually high sum, young Tôru Igarashi, a student, accepted a six-month odd job in an orphanage deep in the mountains, to take care of children and help with chores. interview. There he meets Sakurako, a 14-year-old teenager and the group of children, a little suspicious but nonetheless full of energy. Everything seems to be going well until after dark, this joyful atmosphere becomes unhealthy and extremely bloody! Far from the world, Tôru's nightmare has only just begun. Children become incredible machines to kill, slaughter, butcher ...