Ikawa Jikkyu, Lord of Izu’s rival

Ikawa Jikkyu, Lord of Izu’s rival, is presented as a looming claimant rather than an active participant in the narrated scenes. His kinship with Ishido and desire for Izu make him a concrete danger to Yabu’s hereditary position—and a bargaining instrument in the struggle over Yabu’s allegiance.

Identity and Position

Toranaga identifies Ikawa Jikkyu, Lord of Izu’s rival, as Ishido’s kinsman and says that he covets Izu. The threat is conditional: if Ishido gains power, Toranaga warns, Izu will be lost to Yabu. Jikkyu’s importance therefore rests not on any action shown directly, but on the prospect that Ishido could use political victory to transfer Yabu’s domain to him.

A Claim Used in Political Persuasion

When Omi urges Yabu to side with Toranaga rather than obey Ishido’s summons, he invokes the same family connection as evidence that Ishido will betray Yabu. If Ishido prevails, Omi argues, he will give Yabu’s hereditary fief of Izu to Ikawa Jikkyu, Lord of Izu’s rival. Toranaga, by contrast, could give Yabu Jikkyu’s province. The contrast turns Jikkyu’s claim into a measure of the competing rewards and risks: Ishido’s victory threatens Yabu’s inheritance, while Toranaga offers the prospect of taking Jikkyu’s territory.

Threat and Narrative Function

Toranaga’s reassurance to Yabu goes further than a promise of land. He says that Jikkyu’s power can be neutralized and predicts that, within months, Yabu will see Jikkyu’s head and the heads of his kin displayed on spikes. This is Toranaga’s forecast, not an event the evidence shows occurring. By making Jikkyu the anticipated target of Yabu’s future campaign, Toranaga recasts political dependence as an opportunity for conquest. Jikkyu remains offstage, but the threat attached to his name helps explain why Yabu’s allegiance is contested and why the control of Izu matters so sharply.