This Detective Conan foto contains
bearskin, busby, tschako, shako, and bärenfell.
There might also be
gut gekleidete person, anzug, hosenanzug, and pantsuit.
Q: What is '3rd Base Fourth'? A:It's one of Aoyama's works. A character of it appeared in this parody. That character is Shigeo Nagashima. He and Kazuhisa Inao, another character also appeared during the Koshien bomber Case.
