Was the Murder City manga's Genno Keiki already dead?Genno Keiki did not die in the Killing City manga. He was still living in this fictional world. In the latest plot of the manga, he was challenged by another main character, Han Li, and was currently seeking a way to escape. Although his current condition was not stable, he still had a chance to survive in the manga.
Is the author of Detective Conan dead or not?The author of Detective Conan, Aoyama Tsutomasa, had not passed away yet. On January 8, 2019, Aoyama Gunsho announced that he would complete the series of Detective Conan within the next six months and that he would resign from his manga if he could not complete it. Aoyama Tsuyoshi is currently working hard on his work, so we don't know if he has passed away.