His son has explained in that blog entry that he was in a special elderly nursing home in Takaneazawacho and moved to the hospital last summer to tend the sickness.
The official blog of Kunio Nagatani mangaka has announced on Monday that the manga has died on November 25 from congestive heart failure in an hospital in Takanezawacho, Tochigi Prefecture.
Unfortunately, not only he didn’t get well, he repeatedly received aspiration pneumonia, resulting in weak physical co…