Cut vegetables: Cut cherry tomatoes into four, chop celery and parsley. And put the vegetables, sprout, and okara in a bowl.
Dressing: Put all the dressing ingredients in a small bowl, and mix well.
Toss: Pour the dressing over and toss them well.
Notes
Storage: 3 days in the fridge.
Substitute: You can use any vegetables you like. Something crunchy like cucumber and paprika would be good too. If you are a vegan, please use vegan yogurt and vegan mayonnaise. If you don't have a fresh lemon, you can use a bottled lemon juice.