In an inexplicable and terrifying incident, I met the legendary Sadako. However, she is not as scary as the rumors say, but is surprisingly kind and considerate. The life after taking her in became stranger and stranger every day, and all kinds of strange things happened. As various things happened, the mystery of her life experience gradually surfaced, and at the same time, it also aroused my profound memories that had long been sealed by myself. Who are you and why did you come to me?