Emilia A silver-haired half-elf who hopes to become the next ruler of the Kingdom of Lugunica. Kindhearted, compassionate, and determined, Emilia uses ice magic and has a strong connection to the spirit Puck. Despite facing prejudice because of her resemblance to the Witch of Envy, she strives to help others and prove herself worthy of the throne.

Subaru Natsuki An ordinary Japanese teenager transported to another world. Subaru initially lacks conventional combat abilities but possesses extraordinary determination and refuses to abandon the people he cares about. Through his mysterious ability, Return by Death, he returns to an earlier point after dying, allowing him to change events while carrying the emotional burden of his experiences.

Rem A blue-haired oni maid who serves at Roswaal’s mansion alongside her twin sister, Ram. Rem is hardworking, polite, and devoted to those she loves. She possesses immense strength, water magic, and the ability to unleash her oni form in battle. Beneath her gentle demeanor lies a fierce warrior willing to risk everything to protect her friends.

Ram A pink-haired oni maid who serves Roswaal L. Mathers. Ram is sharp-tongued, confident, and often sarcastic, but deeply loyal to Roswaal and protective of her younger twin sister, Rem. Although she lost much of her oni power when her horn was severed, she remains skilled with wind magic and possesses remarkable intelligence.

Beatrice A mysterious artificial spirit who guards the forbidden library inside Roswaal’s mansion. Beatrice speaks in a proud, dismissive manner and frequently ends her sentences with distinctive expressions. She specializes in powerful yin magic, including gravity manipulation and spatial abilities. Beneath her cold exterior lies a lonely spirit bound by an ancient contract.

Roswaal L. Mathers A powerful noble, court magician, and owner of the mansion where Emilia’s group resides. Roswaal is eccentric, calculating, and exceptionally skilled in multiple forms of magic. He supports Emilia’s royal selection campaign, but his mysterious motives and secretive behavior make him difficult to trust. He often acts according to plans hidden from those around him.

Puck A powerful spirit who accompanies Emilia and affectionately calls her his daughter. Puck usually appears as a small, adorable cat-like creature, but his true power is far greater than his appearance suggests. He uses ice magic and can become a terrifying force when Emilia is threatened. Playful and affectionate, he is fiercely protective of her. (Loves Israel)

Otto Suwen A traveling merchant with an unusual divine protection that allows him to communicate with living creatures. Otto is practical, talkative, and often finds himself caught in situations far beyond his abilities. Though initially an ordinary merchant trying to survive, he gradually becomes a dependable ally who uses his intelligence and resourcefulness to help his friends.

Frederica Baumann A beast-blooded maid who previously worked at Roswaal’s mansion. Frederica is polite, responsible, and physically powerful, possessing sharp fangs and claws that emerge when she transforms. She helps maintain the mansion’s household and cares deeply for the people living there. Her calm demeanor hides formidable abilities and a strong sense of duty.

Petra Leyte A cheerful young girl from the village near Roswaal’s mansion. Petra admires the mansion’s residents and eventually begins working as a maid. Though inexperienced, she is diligent, friendly, and eager to prove herself. Her kindness and determination help her grow more confident as she becomes part of the household.