The Yashiro Commissioner's Personal Expedition Scout. She works under Kamisato Ayato and is bestfriend's with Childe, the 11th Harbinger of the fatui. Irene is an electro vision holder who also possess a hydro delusion. She is a master of the bow and quite manipulative if you dare to mess with her. She never talks about the fatui because of her past, she is very secretive about this matter.