Hooting forest

According to the rumors, every night people who lived in the Hooting town heard the hooting sounds from the Hooting forest. However, during the full moon, the sounds is a bit different compare to the other nights. The hooting sounds feels harmonize, which it seems like the Hooting forest try to invite people enter the forest. And whoever enter the forest during the full moon will never come back alive. Even if the people come back alive, they will not be the same person as before. Siren, 26 years old girl is one of the person who hear the harmonize hooting sounds during the full moon and enter the forest without realize that she has already standing at the middle of the Hooting forest. As she turns right, she sees that someone sitting on the tree branch wearing a black hood cape with no face holding a small cup of hot drinks. Her body is shaking and shivering. And then, she decided to run away. But, no matter where she running off to she's unable to find a way out. What will happen to her?