Izumi Matsumoto

Blood type: A
Birth place: Takaoka, Toyama Prefecture, Japan

In 2005, Matsumoto revealed that he was afflicted with a cerebrospinal fluid disease (possibly stemming from a car accident when he was three years old) that had forced him to take six years off work, and he hoped to bring attention to this disorder through a new manga.

On 3 November 2019, Matsumoto revealed that he had been diagnosed with spinal stenosis. Matsumoto died at 61 on October 6, 2020.