Surviving the fierce ordeal at Sarugaku headquarters, Sousuke Banba dives back into his pursuit of the Kagewani monster hybrids. Empowered with the ability to wield the Kagewani's might, he now possesses a tool to eradicate these creatures. However, this newfound strength comes at a cost, as Sousuke grapples with the looming danger of losing his sanity to the power consuming him. As familiar and fresh menaces emerge, including the resurgence of Sarugaku's top brass and an assassin fueled by a personal vendetta targeting Sousuke, he remains resolute in his quest. With unwavering determination, he presses on to uncover the roots of the Kagewani and eradicate their looming menace once and for all.