Fluffy Japanese Souffle Pancakes

Name: Fluffy Japanese Souffle Pancakes
Ingredients: 2 large eggs (about 50 g each without shell); 1.5 tablespoons whole milk; 0.25 teaspoon pure vanilla extract; 0.25 cup cake flour; 0.5 teaspoon baking powder; 2 tablespoons granulated sugar; 1 tablespoon neutral oil (for pan greasing); 2 tablespoons water (for steaming); 0.5 cup heavy whipping cream; 1.5 tablespoons granulated sugar (or more to taste); 1 tablespoon powdered sugar; fresh berries (such as strawberries and blueberries); maple syrup