How does she get over herself, grow up mentaly? She is just 13 years-old.
Sachiko, a junior high school student, has a complicated family life. Her father disappeared with a young mistress when she was a child. Her mother, a bar hostess, is unable to live without outside help. She drops out of school after her mother attempts to commit suicide and meets some people in town who also do not fit into society. Natsuko, one of her classmates, encourages Sachiko to come back to school. Most of her classmates are kind to her when she returns to school. But, finally, she throws petrol bombs into Natsuko’s house and Sachiko’s life spins out of control.