Wolf came from a world full of forests where it is necessary for every living thing to find a way to survive from predators. Wolf has an ability to transform itself into other ones. At the time it arrived on Earth, its first victim was just a poor old lady who was waiting for her granddaughter to visit. However, the waiting was wasted when the uninvited guest visited her house faster than her granddaughter. The evil Wolf then metamorphosed into the old lady, at the same time, enthusiastically waiting for the granddaughter dressed in a red hoodie arrived in front of her grandmother's house.