Former demon lord protecting Mio; maintains unwavering loyalty and provides sanctuary and strategic support across both seasons.
Former demon lord acting as a protective mentor; shifts from distant figure to active ally and reunion anchor across both seasons.
Maria's betrayal directly enables the enemy's capture of Mio, aligning her temporarily with Zest's faction.
Zest acts as a disruptive force during the captivity arc, altering the balance of power between captors and captives.
Zest and Takigawa's faction share hostile objectives, though their direct interactions remain off-screen.
Explore the full interactive character relationship map of The Testament of Sister New Devil