|Series Debut:||Sengoku BASARA Judge End|
|Anime:||Sengoku BASARA Judge End|
A character exclusive to Sengoku BASARA Judge End, Isono Kazumasa was a soldier who served Oda Nobunaga, after Oda was defeated, helped Tenkai in the plan to use Oichi order to restore the name of the Oda clan.
Isono Kazumasa 1534 - 1583 was relatively most senior of retainer beneath the clan of Azai throughout the latter Sengoku period of feudal Japan.
Isono Kazumasa died in 1583 age the age of 49.