The Starving Wolf and the Fat Sheep

One evening, a girl invited her younger sister into her room. Since her younger sister adored her, there should have been no need for caution... or so she thought. But it turned out that her younger sister was actually a wolf. The girl fortunately managed to escape that situation, and that night, she was troubled about how to drive away that wolf from now on. Then, a woman came to see her. It was the girl's mother, who had become concerned about what was troubling her daughter. The girl could not bring herself to tell her mother that her sister was a wolf, and as she became flustered, the atmosphere grew ominous. And then───