(Yudane) Mix 30g boiled water and 30g whole wheat flour, then let it cool.
In a large bowl, mix whole wheat flour, dry yeast, salt, and sugar together.
Add water and olive oil, then mix well.
Add the cooled yudane and knead for 3 minutes.
Let the dough rest for 10 minutes.
Knead the dough again for about 2 minutes.
Let it proof in a warm place for at least 50 minutes.
Sprinkle flour on a surface, divide the dough, shape into balls, and let rest for 10 minutes.
Sprinkle flour on the surface, shape the dough as desired, and let it rise for 30 minutes to 1 hour.
Preheat the air fryer to 200°C, then bake at 180°C for 20–25 minutes.
Adjust baking time based on the color; finish when a perfect golden brown is achieved.