Kongnamul Ojing-eo Jjim (Steamed Spicy Squid and Bean sprout)

[Ingredients]
3 squids
10 shrimps
400g bean sprout
1/2 onion
1 green onion
2 red pepper
3 spicy chili pepper
[Seasoning]
3tbsp chili powder
2tbsp minced garlic
1tbsp ginger paste
3tbsp tuna sauce
2tbsp cooking wine
3tbsp dark soy sauce
2tbsp sugar
50ml water
a little pepper
2tbsp sesame oil
a little sesame
(1tbsp potato starch, 4tbsp water)