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The current Demon Queen who was formed in an attempt to hide Sheila's identity. Reckless and violent, she sees every human and monster without exception as hers to kill as she pleases. However, she plans to break apart Hero and Sheila in an attempt to kill them both and prove herself to be the strongest of them all, and rule over the entire world. After facing Sheila and Hero on separate occasions she has decided to "work together" with all other monsters to destroy humanity

(Source: Wikipedia)