Shrimp Yaki Udon with Salt Lemon Sauce

Name: Shrimp Yaki Udon with Salt Lemon Sauce
Ingredients: ½ tsp salt; 1 pinch ground black pepper; ¼ tsp sugar; ½ tsp Japanese light soy sauce (usukuchi shoyu) (or regular soy suace); 1 tbsp sake (or white wine); ½ tsp grated garlic (or garlic paste); 1 tsp toasted sesame oil; 2 tbsp lemon juice; 2 tsp lemon zest; 1 tsp Chinese-style chicken bouillon powder; 1 tsp toasted white sesame seeds; 1 tbsp finely chopped green onions (green part); 2 tsp cooking oil; 3 tbsp dried baby shrimp (hoshi ebi); 2 tbsp Japanese leek (naganegi) (white part, finely sliced); 200 g shrimp (deshelled, deveined, and cleaned); 100 g asparagus (cut into 2cm pieces); 1 pinch salt; 50 g green cabbage (roughly chopped); 100 g bean sprouts (rinse well); 2 portions udon noodles (pre-boiled); finely chopped green onions (to garnish); ground black pepper (to garnish); toasted sesame oil (optional garnish)