Kōta Hyakuya 「百夜 香太, Hyakuya Kōta」 was one of the orphans from the Hyakuya Orphanage.
Kōta was a child with black hair and dark brown eyes.
As "livestock", he wore the standard livestock uniform. He wore the capri shorts and a hooded shirt. He wore dark wrist bands on both his hands, and like the rest of the children, Kōta didn't wear any footwear.
- Anime: Livestock wear shoes in the anime.
At some point in his life, his parents abandoned him at the Hyakuya Orphanage which was run by the Brotherhood of a Thousand Nights, a religious organization infamous for it's cruel experimentation on orphans. His history before coming to the orphanage is unknown.
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.
- Kōta 「香太」 means "big fragrance."
- Hyakuya 「百夜」 means "hundred nights."