[Bibim Cold Noodles] You must eat it this summer!

How to make delicious naengmyeon(cold noodles) where you can taste cold buckwheat noodles and sweet and sour bibim naengmyeon at the same time.
Ingredients
Cold noodles 580g (for 3 people)
1/3 onion
1/3 pear
1 cucumber
pickled radish
boiled egg
Cold noodle broth (sell on the market)
1/2 cup fine red pepper powder
2 tablespoons red pepper paste
3 tablespoons soy sauce
3 tablespoons vinegar
2 tablespoons minced garlic
2 tablespoons starch syrup
2 tablespoons sugar
50ml Sprite
1/2 tablespoon mustard
2 tablespoons sesame oil
2 tablespoons sesame