Chihiro Hyakuya

Chihiro Hyakuya (百夜 千尋) was one of the orphans from the Hyakuya Orphanage. She lived with Yu and Mika during their time in the vampire city, Sanguinem.

Appearance
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.

Personality
Chihiro appeared to have a normal and innocent child personality.

History
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.

Prologue
Shortly after Yu's arrival at the orphanage, the director suddenly began to bleed from her nose and mouth and collapsed to the ground.

The adults perished, Third Progenitor Krul Tepes led the vampire invasion on Tokyo. For the next four years, the orphans survived as livestock for the vampires in the vampire capital of Sanguinem, which is located under Kyoto. Joining the rest of her adoptive family, she is murdered by Ferid when they try and escape the city.

Events of 2020
When Yu is attempting to acquire cursed gear, the demon Asuramaru has Chihiro appear as part of an illusion to break him. Appearing in the livestock uniform but in the Hyakuya Orphanage playroom, she stands near Taichi and Fumie as the illusions try and encourage Yu to embrace vengeance.

When Mika is being defended by Shinoa, Yoichi, Kimizuki and Mitsuba, he thinks how they are defending him because they know he is Yu's family. Chihiro is visualized playing football with the other orphans where they were inviting him to play as well.

Yūichirō Hyakuya
Chihiro was present on the day that Yu arrived at the orphanage, standing behind Mika and appearing apprehensive when the orphanage director introduced Yu to them. She lived with Yu during their time in Sanguinem and eating curry together she asks Yu whether he knows where Mika is.

Mikaela Hyakuya
Standing behind Mika when Yu was first introduced to the orphanage, they continued to live together in Sanguinem. Chihiro asks about Mika's whereabouts when he is absent from dinner. After Ako is murdered by Ferid when he sets a trap for them, Chihiro huddles close to Mika.

Ako Hyakuya
Living together in Sanguinem, Chihiro watches as Ako greets Yu home.

Fumie Hyakuya
In Sanguinem together, Chihiro watches as Fumie greets Yu home then sits beside her when eating curry.

Taichi Hyakuya
Living together in Sanguinem, Chihiro watches as Taichi greets Yu home.

Kōta Hyakuya
Though close with all the orphanage family members, Chihiro appeared particularly close to Kōta with them both behind Mika when Yu first arrived, then later in Sanguinem being seated nearby to one another.

Ferid Bathory
Chihiro comes across Ferid before Sanguinem's exit and is the second casualty after Ako of a planned trap by the vampire noble.

Trivia

 * Chihiro 「千尋」 means "a thousand fathoms."
 * Hyakuya 「百夜」 means "hundred nights."