Cook soba noodles according to package directions. Once noodles are desired tenderness, drain noodles using a colander and run noodles under cold water to stop the soba noodles from cooking further. Set aside.
Cook edamame according to package directions. Drain and set aside once cooked.
Wash and cut cucumbers and apples into bite sized match sticks. If you're using regular carrots and not pre-shredded carrots, peel carrots and carefully cut into similar size as apples and cucumbers. If using a head of lettuce instead of prepackaged salad mix, wash and cut lettuce into bite sized pieces. Set aside.
In a bowl, scramble two eggs. Add in 1 teaspoon mirin, 1 teaspoon sugar, and a sprinkle of salt and pepper. Mix everything together.
In a large frying pan, melt 1 tablespoon of salted butter. Spread butter evenly around pan. Use medium heat. Add in scrambled egg mixture and try to make egg as thin as possible by spreading egg towards all the edges of the pan. When egg begins to solidify (about 1 minute) loosen edges of the egg and flip. Cook for another 15-30 seconds or until other side has cooked then turn off heat. Let eggs sit in hot pan for another minute or so. Remove eggs from pan and place on a cutting board. Cut eggs into 2 inch thin slices and set aside.
Prepare sesame soy dressing. In a bowl combine 1/2 cup rice vinegar, 1/4 cup soy sauce, 1 tablespoon sesame oil, 1 tablespoon honey, 3 teaspoons white sugar, and 2 teaspoons sesame seeds. Mix until sugar has melted.
In a large bowl add in lettuce or salad mix. Top with sliced cucumbers, apples, carrots, and eggs. Add in cooked edamame. Stir salad dressing before adding to salad. Mix everything together and serve at room temperature or cold.