Machida Haruko, nicknamed "Faru", is a young girl who was living together with her sister Mei. Mei has mysteriously disappeared, and one day Faru received a package, which contained a video showing her sister, tortured by unknown people, crying in agony. The young heroine heads to the high school Mei studied in. She tries to get a job there, in order to investigate the circumstances of her sister's disappearance, and bring her home safe...
A young man’s ordinary life changes after meeting several girls with different personalities and personal struggles. As their relationships grow closer, he becomes involved in romance, emotional conflicts, and dramatic events that shape each character’s future