Taichi had short pale brown hair and dark brown eyes.
As "livestock", he wore the standard livestock uniform. He wore a collar, the capri shorts and a hooded shirt. He wore dark wrist bands on her both hands, and like the rest of the children, Taichi did not wear any footwear.
- Anime: Livestock wear shoes in the anime.
For the short time Taichi appeared, he was a kind and happy little boy. He ran into Yu in happiness when he returned home. Taichi announced that he did not like carrots upon finding some in the stew, he felt left out when he also wanted a birthday like Kōta and Chihiro had announced. Yet appeared delighted being told that today was everyone's birthday.
At some point in Taichi's life, his parents abandoned him at the Hyakuya Orphanage run by the Brotherhood of a Thousand Nights, which is infamous for its cruel experimentation on orphans. His history before coming to the orphanage is unknown.
Story: Vampire ReignEdit
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 to gather the survivors. For the next four years, the orphans survived as livestock for the vampires in the vampire capital of Sanguinem, which is located under Kyoto. In 2012, he is one of the other orphans welcoming Yu home where they enjoy curry together and share that they all would like a birthday.
Later as he and the rest of his orphanage family move to leave Sanguinem he enjoys the view of the underground city and asks if they will get in trouble for being outside. Joining in the conversation with others he asks if they could have hamburgers everyday once they leave. He and the other orphans are led by Mika to the city's entrance only to be killed by Ferid Bathory with the other orphans sans Yu and Mika.
Osaka Arc Edit
Taichi's body is preserved in Ferid's mansion in Osaka. He is the second Hyakuya orphan to be seen since the first chapter, and Yu tears up when seeing his body.
- Taichi 「太一」 means "great one."
- Hyakuya 「百夜」 means "hundred nights."