[Hakkai doesn't leave them to wait too long. A few minutes later, he returns with a neatly folded paper packet in one hand, and holds it out to Mai.]

Just a pinch of this in hot water, twice a day -- morning and night. Don't mind the smell, it's really quite good for you!

[The smell -- a faint ghost of which is emanating from the package -- is earthy and a little rancid, reminiscent of compost.]

It tastes a little better if you mix it with tea instead of water.