At the battle at Suwa County, which was the first battle for Kansuke after he served to Shingen, he tricked Yorishige SUWA, the governor of Suwa County in the Sengoku period (period of warring states), to murder him.
勘助にとっては仕官してのちの初陣となる諏訪郡攻めでは、諜略を働きかけて国主・諏訪頼重(戦国時代)を謀殺。