Ireia Kitty  

, イレイア キティ

The oldest and one of the strongest armed librarians serves as a mentor for trainee armed librarians. she has a kind and friendly demeanor that inspires trust and affection among most of her colleagues. her combat style involves hand-to-hand combat, which she executes with great skill and power. despite her formidable strength, she is also able to effortlessly lift heavy objects due to her exceptional physical abilities. additionally, she possesses the ability to manipulate time, allowing her to control the flow of events within her visual range.