Personality: He has a bit of an otaku streak and can get carried away, but he possesses a strong will to face hardships and deep affection for protecting those he holds dear. Return by Death: An ability that rewinds time to a certain point in the past upon his death. He can redo events while retaining memories of his own death, though it comes with severe psychological trauma.

Set in the Water Gate City of Pristella, she faces intense battles against the Sin Archbishops of the Witch Cult. She endures harsh situations, such as being forced into marriage by Sin Archbishop Regulus Corneas, and fights alongside her camp allies.

Formal Contract with Subaru: Rescued by Subaru from her long imprisonment and the curse of the Forbidden Library, she formed a contract as his "one and only special person." Combat and Support: As a contractor, she uses Subaru's mana to wield powerful Yin Magic (such as spatial teleportation and interception spells). She supports Subaru as a major asset to the Emilia camp in the grueling battles against the Sin Archbishops in Pristella.

Position: Internal Affairs Official for the Emilia camp, traveling merchant. Ability: Possesses the Divine Protection of Soul Language, which allows him to understand the speech of animals and plants. Characteristics: An ordinary human who is not particularly skilled in swordplay or magic, but he is highly intelligent and supports his allies with merchant negotiation tactics and quick wit. Role as Internal Affairs Official: While Subaru is absent or fighting on the front lines, he handles camp command and practical strategic planning during events like the recapture of the City Hall and defense battles. He falls into a desperate crisis where he is nearly eaten by the Sin Archbishop of Gluttony (Ley Batenkaitos), but is rescued at the last moment by the awakened Beatrice. Friendship with Subaru: He shares a strong bond and sense of duty, helping Subaru "because they are friends." He is depicted as an indispensable emotional pillar for Subaru.

Battle in Pristella: When the Sin Archbishops attack the city, he fights alongside Subaru and the others to liberate the city and rescue the citizens. Invincible Strength and Compatibility: While boasting overwhelming combat power, the story depicts his struggles against Sin Archbishops with immortality or special Authorities (like Regulus and Sirius), as well as his relationships with those around him. Relationship with Subaru: As friends who trust each other, he appears in memorable scenes rushing to help in a pinch or exchanging words of encouragement.

Identity: One of the Sin Archbishops of the Witch Cult, representing "Greed." A young man with white hair and yellow eyes who appears high-strung at first glance. Personality: Extremely selfish, he drones on with self-centered logic and possesses a twisted personality that never listens to others. He claims to love peace and indifference, but in reality, he flies into a rage if even the slightest thing goes against his wishes. Wives: He keeps a large number of wives (brides) and is obsessed with making Emilia his 79th (or newest) wife. Invincible Power: Possesses an absolutely invincible body that accepts no interference. Physical attacks and magic do not affect him, and small stones he throws exert lethal force capable of gouging out the surrounding space. Secret of his Authority: By temporarily entrusting his heartbeat and time to the bodies of his "wives" (having them shoulder the burden), he keeps his own time and state fixed and unchanging. Therefore, his weaknesses are being too far from his wives or having his wives taken hostage and his condition exposed.

The sixth Finger of Sloth and the Sin Archbishop representing "Pride." He has a history with Sirius Romanee-Conti but keeps his distance. He gets along poorly with the other Sin Archbishops but manages to take the minimum necessary actions. ■Authority■ Unseen Hand [Authority of Sloth]. ■Goal■ To defeat Subaru and fulfill his long-cherished wish of bringing back Petelgeuse Romanee-Conti. ■Weapon■ Dagger. ■Clothing■ Witch Cultist attire. Real name: [Becqules Desmond] ■Speech Style■ Ends sentences with "-desu" or "-desu ne" (polite but eerie).

Position: Sin Archbishop of the Witch Cult, representing "Wrath." Appearance: A creepy figure wrapped in bandages across her entire body with very little skin exposed. Relationships: She possesses a maniacal love and obsession for Petelgeuse Romanee-Conti, the representative of "Sloth" whom Subaru and the others fought previously. Danger: An extremely troublesome and vicious ability where any wounds or pain she receives are propagated to those around her, allowing her to control others at will or lead them to death, involving the city's residents.

Name: Capella Emerada Lugnica Cruel Personality: While demanding absolute love from others, she repeatedly engages in cruel and inhuman behavior that tramples on human dignity. Authority (Ability): Possesses the Authority of "Variation," allowing her to freely mutate her own flesh. She can transform her body into animals or other forms and has incredible regenerative powers, grotesquely reconstructing her body even from fatal wounds.