Baking bread without electric ovens, baker's yeast, and fermenters. Obst, a bakery specializing in bread made by home-cultivated leavens. The previous video, which recorded 3 million views on Youtube: https://youtu.be/mY7e6A-EFzc Three years have passed since this video, and baker Ryuji Koiwai has entered a new stage in his career: he closed the store he had operated for 8 years in the city.