百夜 千尋
from Seraph of the End
Chihiro Hyakuya 「百夜 千尋, Hyakuya Chihiro」 was one of the orphans from the Hyakuya Orphanage.Chihiro was a little girl, with dark blue hair, shoulder-length, and dark blue eyes. She wore glasses. As "livestock", she wore a dark choker with a tag and a sleeveless one piece dress with a hood. The dress had a design on the eyelet and black lining. She wore dark wrist bands on her both hands, and like the rest of the children, Chihiro didn't wear any footwear.Anime: Livestock wear shoes in the anime.At some point in her life, her parents abandoned her at the Hyakuya Orphanage which was run by the Brotherhood of a Thousand Nights, a religious organization infamous for cruel experimentation on orphans. Her history before coming to the orphanage is unknown.

Seraph of the End: Battle in Nagoya
Yuichiro has reunited with Mikaela at the Shinjuku Battle, but Mikaela was turned into a vampire. To save the "family," and to protect his fellow members, Yuichiro needed to gain knowledge and power. He searched for ways to bring back vampire to human beings, and at the same time, trained hard working on the Cursed Gear. Meanwhile, Kureto calls Guren and tells him a shocking truth: In one month, the main unit of the vampire will start attacking Tokyo. To get a head start against vampires, Kureto orders Guren to go to Nagoya. The noble extermination mission is about to open fire.

Seraph of the End
After a catastrophic epidemic kills every adult on earth, vampires arise from the shadows to enslave the remaining human population. Yuichiro and his friends are kept as vampire fodder in a creepy underground city. Yuichiro dreams of one day fighting back, and the first step is staging a daring escape from their vampire overlords...

Seraph of the End (Manga)
After a catastrophic epidemic kills every adult on earth, vampires arise from the shadows to enslave the remaining human population. Yuichiro escapes from captivity and joins the Japanese Imperial Demon Army. But before he’s allowed to fight vampires, he has to complete his first, terrifying mission–make new friends with his fellow aspiring monster slayers! Yuichiro and his friends are kept as vampire fodder in a creepy institution masquerading as an orphanage. One day, Yuichiro’s dreams of fighting back are realized when the orphans stage a daring escape. But things go horribly wrong, and his dream is kept alive at a cruel price.