Sugar
Bring rice under a canopy, crush it with your brush, and sweep the white powder in your mouth... it's sugar now! You make sugar by carefully crushing rice to a powder, until it's small enough to brush into your mouth.
とう
None
None
You learned how to make sugar in とうきょう. You found a special とうきょう sugar sensei and they introduced you to all of the secret methods you know now.