Tamamushi stands as the primary antagonist in the OVA *Raven Tengu Kabuto: The Golden-Eyed Beast*. This tyrannical sorceress violently seizes a feudal territory, imposing brutal rule over its people. Her regime enslaves men for forced mining labor and murders women to harvest their souls, fueling her dark magical abilities.

She commands mechanical forces engineered by her subordinate, Karakuri Jinnai, deploying mecha warriors and a specialized commander named Rasetsubo. To cement her authority, Tamamushi orchestrates the capture of Princess Ran, the realm’s legitimate heir.

A pivotal revelation uncovers Tamamushi as Jinnai’s advanced robotic creation—not a human sorceress. Unaware of her artificial nature, she believes herself the autonomous ruler, while Jinnai secretly controls her. He maintains her illusion of dominance through public subservience, privately engineering her actions.

Her physical design includes retractable components and a defensive shell, yet both fail against protagonist Kabuto. Combat exposes her internal mechanics, confirming her robotic composition. Her destruction triggers a self-destruct sequence within Jinnai’s fortress, obliterating her in the ensuing explosion.