Sawako Kuronuma is the perfect heroine...for a horror movie. Nicknamed "Sadako" after the haunting movie character, everyone is afraid to come near her for fear of being cursed. But underneath her scary exterior lies an ordinary teenager who just wants to make friends.
After an eventful Christmas with her classmates, Sawako is super excited when Chizu and Ayane invite her to come with them to the shrine on New Year's Eve, which happens to be her birthday. But what she doesn't count on is her friends' birthday surprise--to get her to go alone with Kazehaya-kun!