The story begins somewhere in a small town in the rural area where the people who lived there called the Hooting town. It is called the Hooting town because of the hooting sounds coming from the owls who lived in the Hooting Forest which located near the Hooting town. 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 so soothing and harmonize, which it seems like the Hooting forest try to invite people to 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 with an ombre halo silky blacky red hair with a baby pink peach cheeks wearing a black blouse and a red skirt with a pair of long socks and cute sneakers who is excited to visit her Grand-Aunt that lived in the Hooting town. She has decided to spend her holiday breaks at the Hooting town located in the rural area which she finds it is very relaxing, peaceful and at the same time she is able to enjoy the nature. She had visit her Grand-Aunt house during her childhood. But, it has been a very long time since her last visit. As she arrived at the town, she give a called to her cousin, Cair to fetch her at the train station. Cair is Siren's 26 years old male cousin who has a long brushed back and short side brown hair. He is wearing short sleeve white shirt with jeans. He lived near the Hooting town. Cair often pay a visit at her Grand-Aunt house because he's working as a farmers. He inherited the farm from his dad. Before arriving at her Grand-Aunt house both of them are chatting with each other.

Cair: So, how's work?

Siren: Great. But, super busy especially during the peak period.

Cair: I see. You took 2 weeks long leave, is it okay?

Siren: No worries. I've already have someone to stand in for me. Plus, I really need to clear my leave. So, no choice (chuckle)

As they're passing through the Hooting Forest before reach her Grand-Aunt house suddenly, Siren, sees-