After the mission has started, go to the front of the restaurant. Wait for the limousine, then wait for the chauffeur to go to the back. Follow him. Wait for a brown-clothed civilian to pass, then kill the chauffeur with Oyabun knife. Take his clothes (you may take his Beretta .92 if you want, but it is useless) and drop his body into the sewer. Go back to the limo, take out the car bomb and direct your cursor to the driver's seat (the front left door) until the "Place bomb" menu pops up. It may not be click-able if the blue triad guarding the limo is around you, so wait for him to go, then place the bomb. Change back into your suit, because the Blue Lotus member near the car may identify you as an impostor. Now, go to the rendezvous point. Take out the detonator and wait for the limo to p