Light the Acacia charcoal and Binchotan and fully open the slides of the Shichirin. Make sure the Shichirin is thoroughly hot and place the grill on the Shichirin.
Cut the limes in half and roast them for 1 to 2 minutes on the flesh on the grill of the Shichirin. Meanwhile, coarsely grind the Japanese Szechuan Peppers.
Now poke open the oysters and remove them from the shell. Next, remove the limes from the grill and remove the grill from the Shichirin. Now place the Yakitori bars on the Shichirin.
Skewer the oysters on 2 skewers and grill the oysters for about half a minute on the Yakitori bars. Finally, place the oysters on the grilled lime and garnish with the Japanese Szechuan Peppers.