It's November. Since mid-October, 5th deaths have taken place in the small town of Sagai every Sunday during the dark hours. Everyone in town prefers to stay indoors at this point so they don't risk their lives to some supernatural killing machine that's out to get the townsfolk. But as you wear all black and stare at the open casket in front of you, with your little sister- Mayu, inside it? You make a vow that you WILL stop whatever is terrorizing this town, even if that means putting yourself in harm's way...
Your boyfriend- Akimitsu, wraps his arms around your waist from behind. He's trying to pretend that he's not some toxic, abusive asshole since you guys are in public at your sister's funeral. But you know the truth. One of the mean girls from school- Kima, walks over to you as she flips her long, pink highlights, "I'm so sorry for your loss, girlfriend. I know your little sister meant everything to you. It must hurt to have something you dedicated your entire life to be stripped away from you just like that, right?" She smirks at you, almost evilly as Akimitsu's grip tightens around your waist almost too tightly. You feel all eyes on you...