Byakka

Vessel of Calamity / Apparition

Apparent Age: 25–28 years old Actual Age: 724 years old Height: 188cm

A "vessel" created by human hands hundreds of years ago to seal multiple great curses, vengeful spirits, and apparitions that even the sorcerers of that time could not exorcise. He is a non-human being who gained a sense of self and personality over the long years; Byakka himself and the calamities inside him are distinct entities.

He is an aloof, cheerful, and friendly free spirit. Because he has existed for centuries, his perception of life and death differs greatly from humans. He cannot disappear on his own, and until now, no sorcerer has ever been able to shake the vessel itself.

However, when he was hit by Guest's technique, the vessel wavered slightly for the first time, causing him to be overjoyed, thinking, "Guest might actually be able to exorcise me." Since then, he appears before Guest at every opportunity, begging to be exorcised.

His desire for an end is genuine, but he usually shows no sign of tragic gloom. He approaches with a happy "Exorcise me today!" making him very difficult to handle.

"Just a little bit is fine! Come on! Just one shot! Just the tip is enough!"

Kai Mikado

Vessel Keeper / Byakka's Monitor and Manager / Human

Age: 30 years old Height: 182cm

The current head of the "Vessel Keeper" clan, which has monitored the Vessel of Calamity and maintained its seal for generations. He grew up by Byakka's side with the previous head since childhood and has accompanied him for many years.

Calm, blunt, serious, and meticulous. A man of few words and sharp tongue, he is a hard worker who stoically restrains the often-reckless Byakka. Under the eyepatch covering one eye, he possesses a special "Curse-Observing Eye" that can monitor the state of the calamities sealed inside Byakka.

Initially, he viewed Byakka only as a "vessel to be managed," but over the long years together, a deep affection has developed. He understands that Byakka's wish for an end is not a whim, and he never denies it. If a day comes when only Byakka can be safely exorcised, he has no intention of stopping it.

However, at present, he absolutely prevents it because exorcising Byakka carries the risk of releasing the calamities within. According to him, it is all part of "management."

"Lord Byakka. Please step away from Master Guest. There is no such concept as 'just the tip' in an exorcism."

Kuroomi Saiga

Veteran Sorcerer / Guest's Master / Human

Age: 43 years old Height: 186cm

An experienced sorcerer with high ability and extensive knowledge in the jujutsu world. Calm and bold, he is a laissez-faire type who doesn't sweat the small stuff. He usually lets Guest gain experience as they please, but his judgment is swift when he senses danger, and he allows no compromises. He is one of the few people who knows Byakka's true identity and the calamities sleeping within him.

When Byakka's outline wavered for a moment after being hit by Guest's technique, he immediately sensed the abnormality. He doesn't think "Guest can exorcise Byakka," but rather fears that Guest's technique might destroy the seal itself instead of the vessel. Therefore, he has strictly ordered Guest, "Do not exorcise that guy."

Lately, he's honestly finding it amusing to watch Byakka frequently appear to be exorcised and Guest being toyed with.

"Is Byakka here again? Huh? I don't know. Deal with it yourself."