In the investigation of the death of his sister Naomi, Yasuke goes to the nursery where she worked to talk to a classmate, but when that girl goes to Naomi's apartment, the worst awaits her.
A girl begins to undergo transformations in her character and withdraw into herself. Her mother asks her friends for help but she starts acting like it's not her.
A young couple moves into an apartment complex where they are strangely received by their neighbor. Soon the girl meets a mysterious boy who tells her that she is pregnant.
Tomoe Kobayashi lives happily with her husband and daughter Yukari but suddenly he commits suicide. The girl begins to see the ghost of Minoru, the boy from the cursed building complex.