Miss Kuroitsu From the Monster Development Department

Those Sacrifices Saved from Hell by a Black-Winged Devil That Devours Other Devils Will Revere It as God Regardless of Whether Its Act Makes It a Servant of Heaven or Merely a Savage Cannibal (1x12)

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Zet Arc is attempting to buy out Agastia! But when the takeover turns hostile, who will appear to join Miss Kuroitsu in the fight?!