[DeepL Translation - needs review] Volume 1 Introduction: On June 24, 1989, 21 people, including children, were poisoned to death at an elementary school in the village of Oto-Usu, Hokkaido. Twenty-eight years later, Sano's son, Shin Tamura, begins to investigate the possibility that his father, who has been sentenced to death but has consistently maintained his innocence, may have been falsely convicted of the crime. When Shin visits the crime scene, he is suddenly enveloped in a thick fog ...
