Kamen Rider Series S32E45 - Never-Ending Nightmare, Protectors and the Protected

With Hiromi's help, Daiji sees the error of his ways and revives Kagero, restoring his spiritual balance and returning to his family's side. Days later, after losing Masumi to his failing health, the resistance learns Giff is not fully sealed yet, and is now capable of infecting people with parasites capable of turning them into demons and brainwashing the hosts' inner demons.