Cut the soft tofu into bite-sized pieces.
Place the soft tofu on a plate.
Shred crab meat or imitation crab and put it on top of the tofu.
Finely chop vegetables like cucumber and paprika, and place them on top.
Mix Yeondu Sha sauce (soy sauce, vinegar, sugar, water, mustard, etc).
Pour the sauce over the dish.
Garnish with sesame seeds and seaweed flakes.