kei (blue archive)
ケイ ケイ(ブルアカ) ケイ(ブルーアーカイブ) <Key> Kei Key Key(ブルーアーカイブ)
A character from Blue Archive. Depicted as being visually identical to Aris, with the difference being glowing pink eyes.
She is another personality that resides within Aris' mind, and is the representation of her original programming to carry out a genocidal campaign in the name of the "Nameless Priests" who created her. She will often refer to Aris as "Princess" in reference to this role.