How to make the soy sauce “scent of a ume”

How to make the soy sauce in which there is the scent of a ume

Quantity

Ume – 500g
Soy sauce – 500ml

Preparations

Calyx of a Ume is removed and it washes in cold water lightly.
Cautions: Don’t attach a crack to a Ume.
Then, it drains.

A Ume and soy sauce are put into the bottle which can be sealed,
and a lid is shut.

It puts into a refrigerator and is made to ripe half a year.

It can use for a salad dressing or Japanese noodles.