Adopted after the death of his peasant mother by the Ashina, is the current leader of the Ashina Clan. Worried the strength of his army won't be enough to ward off the raid of the troops of the Interior Ministry, Genichiro seeks to abduct Kuro to obtain The Divine Heir's gift of immortality, planning to use it to save his beloved country and his clan.

(Source: Sekiro: Shadows Die Twice Wiki)