I am a Japanese painter by profession, mainly painting Mount Fuji. My greatest wish is to continue painting Mount Fuji in my lifetime. Because of my age, I built a villa on the top of a mountain in Asano Nagaakira (facing Mount Fuji) three years ago. Since then, I have lived here and devoted myself to painting Mount Fuji.
But later, because Hara Yoshiaki and Tokiwa Mio jointly bribed city councilor Otsuka, the municipal bill was illegally amended. The twin-tower skyscraper built in front of the studio window like Yue Fengshui covered Mount Fuji, which made them bear a grudge and arranged their own killing plans: First, Otsuka was killed by offering paintings to Otsuka, leaving a broken small glass in the hands of the deceased; Later, he tried to kill Hara Yoshiaki, but when he arrived, he found that Hara Yoshiaki had been killed, so he took the opportunity to forge the scene of serial killing to escape the crime. At the final opening ceremony of the Twin Towers, he killed his student Chang.
But in the end, Conan saw through his means, so he told his criminal motive. He wanted to commit suicide, but he was rescued by Conan. Finally, he was rescued by the juvenile detective team from the building that was about to explode, and of course he was arrested by the police.