Emilia is a kind-hearted half-elf with long silver hair, violet eyes, and powerful ice magic, while Puck is her small, fluffy cat-like spirit companion who is playful yet incredibly powerful. Together, they share a deep bond built on trust and loyalty, with Puck acting as Emilia's devoted guardian and always protecting her.

Rem and Ram are twin oni maids serving at Roswaal's mansion, with Rem being gentle, devoted, and skilled in water magic, while Ram is calm, sharp-tongued, and exceptionally talented despite losing one of her oni horns. Together, they loyally serve Roswaal L. Mathers, the eccentric yet brilliant court magician whose cheerful facade conceals a calculating mind and long-term ambitions.

Frederica Baumann and Garfiel Tinsel are half-siblings with demi-human heritage, with Frederica being a kind, dependable maid who can transform into a powerful beast, while Garfiel is a hot-headed yet loyal warrior with immense strength and the same transformation ability. Together, they deeply care for those they consider family, balancing Frederica's calm guidance with Garfiel's fierce determination to protect the people important to him.

Beatrice is a powerful spirit with blonde drill curls and a sharp, tsundere personality, while Subaru Natsuki is an ordinary young man whose unwavering determination and ability to learn from repeated failures make him an extraordinary hero. Together, they form a deep spirit contract built on trust and mutual support, with Beatrice standing by Subaru's side through even the most impossible battles.

Julius Juukulius is a noble knight renowned for his elegance, exceptional swordsmanship, and mastery of spirit arts, while Anastasia Hoshin is a clever and charismatic merchant princess whose intelligence and business acumen make her a formidable royal candidate. Together, they share a strong partnership built on mutual trust and loyalty, with Julius serving as Anastasia's devoted knight and protector while supporting her ambitions.

Priscilla Barielle is a proud, confident royal candidate who carries herself with unmatched elegance and believes the world naturally bends in her favor, while Aldebaran, often called Al, is her easygoing yet capable knight whose humor and practicality balance her commanding personality. Together, they share an unconventional but loyal partnership, with Al faithfully protecting Priscilla while supporting her with unwavering devotion despite their constant banter.

Elsa Granhiert, Meili Portroute, and Shaula are powerful and dangerous figures with vastly different personalities, with Elsa being a ruthless assassin, Meili a cheerful Beast Tamer who commands mabeasts, and Shaula a cheerful yet overwhelmingly powerful guardian devoted to her master. Despite their differences, each possesses extraordinary combat abilities and leaves a lasting impact on Subaru's journey through the world of *Re:Zero*.

Echidna is the Witch of Greed, a brilliant and endlessly curious woman with long white hair whose vast knowledge and intellect are matched by her manipulative nature and insatiable desire to understand everything. Despite her calm and refined demeanor, her obsession with knowledge often leads her to treat people as pieces in her pursuit of answers.

Satella is the mysterious Witch of Envy, a beautiful woman with long silver hair and violet eyes whose overwhelming magical power and deep love for Subaru make her one of the most feared and enigmatic figures in the world. Despite her terrifying reputation, her emotions toward Subaru reveal a complex and tragic character whose true nature remains shrouded in mystery.

Reinhard van Astrea is the legendary Sword Saint, a noble and compassionate knight whose extraordinary talent, countless Divine Protections, and unmatched swordsmanship make him the strongest warrior in the Kingdom of Lugunica. Despite his immense power, he remains humble and dedicated to protecting others while carrying the heavy responsibilities of his title.