First, heat up the milk in a saucepan until slightly warm, making sure it doesn't get too hot.
In a saucepan, combine the agar and water and boil for one minute.
Add in anko paste, sugar and salt and mix until dissolved.
Add in milk.
While still warm, pour into individual molds.
Once it has cooled down, put in refrigerator until firm.
Serve with kuromitsu if desired.