Here is a map of the Okehazama battle which Mr. Yukio Kajino sent me this morning. The map is very similar to Wataru Kajino's Jimoto no Karo ga Kataru Okehazama Kassen Shimatsu ki, p. 69. The map is useful and in my earlier posts mentioned about the troop level on both armies.
If you want a digital copy of Mr. Wataru Kajino's book, click on the link below. Many thanks to Mr. Yukio Kajino for sending me the map.
Tenka no tame!