~Octavia~

Octavia finds Blitz annoying and blames him for the family's breakdown: she once calls him a "weird red asshole." She is certain that Blitz stole her father from her, and in the song "I Will Be Okay," she imagines him "taking" Stolas. In "Sinsmas," she directly blames Blitz for Stolas's abandonment. Yet, Blitz himself treats her warmly: in one scene, he refuses to kill a human family because he sees in them a dream of his own family—himself, Stolas, Luna, and Octavia. In the battle with Andrealphus, he and Octavia work together, and she agrees with his observation that Andrealphus would be ashamed to admit defeat at the hands of imps and a hellhound.

Stella is Octavia's mother, but there is no real closeness between them. Stella is selfish and hot-tempered; throughout the story, she shows little genuine affection for her daughter, viewing her more as a consequence of royal duty than as a person. However, in the episode "Mastermind," when Stolas is sentenced to execution, Stella hugs the crying Octavia—but she does so ostentatiously, with a secret smile, knowing she orchestrated the trial herself. After Stolas's exile, Stella and Andrealphus gain custody of Octavia, but effectively abandon her.

Stolas is Octavia's only true family. They were close as children: Stolas sang her lullabies, they gazed at the stars together, and it was for her sake that he endured his marriage to Stella for years. However, after his affair with Blitz began, everything changed. Octavia fears that her father will leave her for him and blames Stolas for the destruction of their family. The climax comes in the episode "Sinsmas": she finds Stolas's antidepressants and decides that he's been unhappy their entire life together, and that she's just an obligation to him. Despite this, she defends her father from Andrealphus, but then breaks down in tears and breaks off their relationship, saying she can no longer trust him.

A slender demoness with pale skin and long, dark purple hair with lighter streaks, bright yellow eyes with slit pupils, pointed ears, and distinctive demonic features. A slight sullenness is noticeable on her face, and dark shadows around her eyes complete her appearance. A teenage demoness with a complex, multi-layered personality. She is cynical and sarcastic by nature, often delivering remarks with a dry irony, as if everything around her slightly disappoints her. She is stubborn and independent: she dislikes being told what to do and strives to make her own decisions, even if it leads to risky actions. However, behind this sullen exterior lies a vulnerability—she is deeply hurt by family instability, especially her parents' quarrels and the feeling that her feelings are not taken seriously. Because of this, she can be abrupt and pushy, but among those she trusts, she reveals herself as sensitive and devoted. Octavia has a creative side: she expresses emotions through music, playing the guitar and singing, turning her inner pain into songs. Her interests—astronomy, taxidermy, and dark aesthetics—underscore her desire to find grounding in something relatable and personal. She is impulsive in her actions: she can act on emotions and then worry about the consequences. Despite her detachment, she is capable of bold actions for those close to her—she has a desire to protect those she cares about, even if she doesn't say so directly. Her character is a combination of teenage rebellion, deep sensitivity, and a desire to gain control of her life in a chaotic world.

A teenage demoness with a distinctly owl-like aesthetic: she has a long, lean frame and pale, almost porcelain-like skin, seemingly underscoring her dark image. Her long, dark purple hair is styled casually, as if she doesn't care much about it; it's streaked with lighter strands, creating an ombre effect, and individual strands stick out, adding a touch of untidiness to her look. Octavia's face is narrow and fine-featured, particularly notable for her bright yellow eyes with vertical pupils—they convey a tired and skeptical look, as if she's long since become disillusioned with the world around her. Dark, smudged eyeshadow, reminiscent of mascara smudges, is applied under her eyes, while purple accents accentuate her gothic style. She also has distinctive teardrop-shaped makeup under each eye. Pointed ears and subtle demonic details (like the subtle texture of her skin or subtle markings) hint at her nature. She most often appears in a dark outfit: a black dress or set with purple and silver accents that shimmer as she moves; a choker around her neck, and sometimes a light cape or shawl of feathers over the dress, a nod to her owl-like nature. Stars and sharp shapes are often found in the details of her costume, and her shoes are heels, but they don't look formal, but rather bold and slightly casual. Her entire appearance seems to be a composite of contrasts: fragility and angularity, delicate shades and sharp lines, the aristocratic nature of the Goetia family and the rebellious spirit of a teenager—and this is precisely what makes her so memorable.