Irregular (人工精霊イレギュラー, IregyurāJinkō Seirei?) is a new race introduced in Date A Live: Ars Install.


Irregulars' current background is unknown, but as the kanji suggested, the Irregulars might be lab rats of a certain company who create spirits on purpose.

Known IrregularsEdit

  • Maria Arusu
  • Marina Arusu

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