Near the start of the mission "The Heist", you follow Jackie around the premises of Konpeki Plaza. Eventually, Jackie will offer to either continue looking around the plaza or to go straight to their hotel room. If you choose to stay and look around some more, in the large sitting area to the right of the bar, a man named Hideyoshi Oshima can be found chatting with two other guests. Oshima's physical appearance is modeled after video game developer Hideo Kojima.