The Marine Tower Observation Room, where this year's diamond auction is to be held, is a safe room floating in midair, accessible only by a single see-through elevator. Range: 555 meters. The success or failure of this job depends on Jigen's precision long-range marksmanship. Jigen, Lupin, and Goemon assume their various positions, and Jigen suddenly remembers a prize he failed to get in a shooting contest, for lack of one more bullet.