Five years have passed since the events of Sadako 3D. Akane is pregnant with a child with her boyfriend Takenori. However, Akane dies after giving birth to her daughter. When Takenori’s sister Fuko takes up the task of caring for Akane’s daughter, the infamous cursed video resurfaces. During her investigation, Fuko learns about the legend of Sadako’s daughter…

Azusa (Anna Ishii) and Narumi (Fuka Koshiba) are 2nd grade high school students. They lack confidence and also any kind of ambitions. Hazuki (Karin Ono), Tamaki (Mika Akizuki) and Mika (Miku Uehara) are also unnoticed students at the same high school. These five girls form a dance club and begin to dance to get credits. They soon learn the joys of dancing and also learn to express themselves.