1Thinly slice two whole cucumbers using a mandoline slicer.
2Chop the sliced cucumbers into smaller strips.
3Finely chop four green onions.
4Add the chopped cucumbers and green onions to a large glass bowl.
5Add thinly sliced red onion.
6Add two large cloves of minced garlic.
7Add two tablespoons of soy sauce, one tablespoon of fish sauce, one teaspoon of sesame oil, one teaspoon of sugar, a pinch of salt, and a splash of vinegar.
8Add crushed sesame seeds and mushi.
9Add a glass of fresh water and two large ice cubes.