Born before the Common Era, nobody knows her true age.
Being the only raven-haired witch, she is known as the "Black Witch."
Of the six sects in witchcraft, the "Machina" sect was founded by her and she still reins to be the greatest of the Machinas.
Also a founding member of the Walpurgis Assembly, a gathering of the masters of each sect, from which she has already resigned.

Having lived and worked for such a long time, she is very self-assured, causing her to act a bit arrogant, although she tends to be relatively sympathetic to human beings.
On the other hand, she is also rather tolerant of impertinence, up to a certain point at which she becomes unforgiving.
Has a habit of collecting things, as many witches tend to do.

Suddenly wakes up in the body of Madeline, as a result of having the Black Witchcraft "Rebirth" performed on her by the Raven Demon.
Persuaded by an upfront compensation in the form of acquiring the Raven Demon's power, she overcomes her discontent for suddenly being woken up in a feeble body and heads over to the House of Usher accompanied by Durahan.

Successor to the House of Lee.

The House of Lee, unlike most witch hunters, does not directly battle against witches, but develops the technology for combating witches.
Annabel herself was in charge of administering Lenore's seal at the House of Usher.

Realizes that Roderick is leading a conspiracy and sets up labyrinth barriers all throughout the House of Usher in a desperate attempt to interfere with his plan to resurrect Lenore.
After they run into each other, she and Ligeia cooperate to stop Roderick's plot from being carried out.

Wife of Archduke Prospero.
Born under the "Blessing of the Moon," she was destined to a short life, but was saved by Prospero who introduced her to his friend Roderick. Roderick treated Rowena by releasing her mana, eventually helping her to become a normal human being.

A prominent demon hunter known as Archduke Prospero.
A good friend of Roderick, whom he relied on to treat Rowena in the past.
Pays a visit to the House of Usher to report his engagement with Rowena.
Being a demon hunter, he is very familiar with demons, but clueless about witches.

Maid of the House of Usher. A cheerful normal human being.
Got trapped inside the mansion due to the labyrinth barrier.
Was lucky not to run into any demons until she met Ligeia.

Maid of the House of Usher. A little hostile in character, but a normal human being.
Got trapped by the labyrinth barrier while working in the mansion yard.
Saved by Ligeia just in time before being attacked by wolves.

Has a strong sense of responsibility, protecting Trippetta who had suffered an eye injury.

Maid of the House of Usher. Being the newest of all the maids, she is a quiet but normal human being.
Got trapped by the labyrinth barrier along with Berenice.
Saved too by Ligeia before being attacked by wolves.
Suffers an eye injury while fleeing from the wolves.

Chief maid of the House of Usher.

Has been serving the House of Usher for a long time, since when Roderick's father was head of the house.
Being reserved and sincere, she has gained great trust from the Usher family, entrusted with the secret of their witch hunting.

Sister of Roderick, the head of the witch hunter House of Usher.

Don't let her noble and aristocratic looks fool you, as the successor to a House of body-modified witch hunters dedicated to combating witches, she possesses more strength than meets the eye, having received combat training, although she lacks in experience of actual warfare.

Having lost her parents at a young age, she naturally had a close relationship with her brother Roderick despite the age gap.
Has been worried about Roderick since he began to change three years ago.

Became determined to work as a witch hunter about a year ago, but was not permitted to do so by Roderick, who not even allowed her to train.
That is when she began to feel suspicious and started to investigate her brother.
As Roderick, and his collaborator Marie Roget, soon found out, she was locked up in the underground dungeon to be used as a sacrifice for the resurrection of Lenore.
She luckily ran into the Raven secretly guarding the seal, who helps her escape.
It is with this Raven that she goes to visit Ligeia.

28 years old. Head of the House of Usher.
Worked as a witch hunter from the age of 18 to 25.
Showed much success in the last years until he suddenly withdrew from the line of work and retired to his mansion.
Has a younger sister, Madeline, whom he does not allow to become a witch hunter.
Was a very calm and kind person away from warfare, but began to grow irritable nearing his retirement.
Many thought it was simply due to the stress of his job, but his character continued to degrade after retiring as things started to get bizarre in the mansion.

Was a very mischievous witch who fell in love with a pure-hearted boy, Julien, after which she goes into repentance.
Dies with Julien after being hunted down for her past sins.

Belongs to the sect of "Lemures," having been revived as an undead, but immediately becomes sealed in the House of Usher.
Becomes resurrected thanks to Ligeia picking up her Stigma which is acting as the sealing agent.

Julien's soul is already lost, and only his physical body remains.

Former disciple of Lenore.
Highly respected Lenore, but tried to stop her when she broke the code of ethics and began to practice Black Witchcraft.

Ultimately works with the other witches and witch hunters to seal Lenore in captivity.
Left a part of her soul behind to watch over the seal, just in case it were to be broken someday.

Being a witch, she is long-lived and her physical body is still well alive today, 200 years after she sealed Lenore.

An average demon with a deep curiosity for extraordinary things, especially enjoys researching about space and dimensions.
Having always had a fascination for Lenore's seal, sneaks into the House of Usher being lured by the new labyrinth barrier set throughout the mansion.

On top of that, having seen the blocking barrier set up by Roderick to impede Ligeia, she begins to fervently go around gathering data.

A demon taking on the form of a crow.
Used to possess great powers that even Ligeia long desired to have, but has fallen weak due to a certain incident.
Having an agreement with the late head of the Usher family, helps Madeline to stop Lenore's seal from being broken, by guiding her to Ligeia's place of rest.
Resurrects Ligeia into the body of Madeline, hands over to Ligeia its own powers, and disappears, entrusting her to keep Lenore's seal in place.