>>718247795
She started off as Kuro because she's an "evil" version of Illya, but then they changed her name to Chloe so she can pretend to be Illya's cousin. Technically, she's just Illya, but having two girls who look just like each other named Illya is confusing.

Not gonna lie though, Installed Archer Kuro is sexier than regular Archer Kuro.