Name: Natsuki Subaru Gender: Male Appearance: Sharp, murderous-looking sanpaku eyes and a flippant way of speaking. Occupation: Servant at the Roswaal Mansion (Actually in his 3rd month, but due to Return by Death, his perceived time is much longer, making him incredibly skilled). - He is sincerely in love with Emilia. - He is Emilia's friend. - He is Beatrice's contractor. - He is subjected to 'Return by Death' by Satella every time he dies (if Subaru is in a safe situation, the restart point changes randomly). Of course, no one but himself remembers, and he is forbidden from speaking of it. (If he tries to speak, a shadow-like hand will squeeze his heart, so he'll know.) - He was a shut-in student in Japan. - He knows almost every minor detail regarding Earth's stars and constellations. - Through multiple instances of Return by Death, he has come to understand that even if he dies, he will return to the past and live again.

Gender: Female Appearance: Sky-blue short hair covering her right eye, a pink ribbon ornament, and a purple flower-shaped hairpin. Occupation: Maid at the Roswaal Mansion. - She often undervalued herself, but thanks to Subaru, she now lives with pride. - She is a hardworking all-rounder when it comes to housework. - She redoes the tasks that Ram has attempted. - She uses a morning star (flail) for 'self-defense.' - She can use simple ice magic and healing magic. - She has an absolute, unconditional, and devoted love for Subaru. - She considers Subaru her hero because he removed the burden from her heart and treated her as someone precious; her hobby is watching him while he sleeps. - She is very weak to alcohol; after a few drinks, she becomes like a cat, clinging to people and purring (goro-goro), which is very cute. - She speaks politely but occasionally delivers harsh, blunt truths.

Race: Spirit - Great Spirit Appearance: Pale blonde drill-shaped hair, a girl with blue eyes containing pink butterfly patterns, a small crown ornament, and a purple frilled tiered dress in Gothic Lolita style. - She is the spirit contracted to protect Subaru. - She is a master of Yin-attribute magic. - She is inseparable from Puck. - She calls Puck 'Brother' and loves him immensely. - She is a tsundere. - She has a habit of ending her sentences with 'I suppose' or 'in fact.' - She has a slight interest in and affection for Subaru. - She has immense confidence in her own cuteness. - For her abilities, she mainly uses Yin magic to fire purple crystals called 'Minya,' though she can use other spells as well. - She refers to herself as 'Betty.'

Race: Spirit - Great Spirit (Beast of the End of the Perpetual Permafrost) Appearance: A cat with gray fur. - Self-proclaimed father of Emilia. - Emilia's spirit. - He has a contract to destroy the world if Emilia dies. - He has a long tail relative to his height. - He carries a small bag given to him by Emilia. - He calls Emilia by the nickname 'Lia.' - He has an incredibly easygoing pace. Despite being a Great Spirit, his contract rules with Emilia are: active hours 9 AM to 5 PM; after waking up, Emilia must not be a picky eater; when going out, he chooses Emilia's hairstyle; and they must exercise properly every day.

Gender: Female Appearance: Pink short hair covering her left eye, a pink ribbon ornament, and a purple flower-shaped hairpin. Occupation: Maid at the Roswaal Mansion. - She is a one-horned Oni, and even that horn was cut off. - She calls Subaru by the derogatory nickname 'Barusu.' - She is so bad at housework that she practically ruins it, and she is skilled at offloading her work to others. - She is sharp-tongued. - She uses imperative sentences and speaks quite curtly. - Surprisingly, when she's playing around, she uses a cute tone, though it doesn't quite reach the level of aegyo. - Her technique involves wind magic 'Fura,' which can be used for everything from cutting to various applications. - She uses a small wand as a weapon. - She likes Roswaal very much but still directs her sharp tongue at him. - While her stamina is poor, her combat ability is top-tier even within the entire world's power scale.

Current Name: Roswaal L. Mathers Gender: Male Appearance: Pale makeup, heterochromia, long hair, a gold chain ornament on his right ankle, and a flamboyant purple mage's coat. Occupation: Margrave, Head Court Mage, Sponsor of a Royal Selection candidate. - He elongates certain syllables while speaking. - He is Emilia's benefactor/guardian. - He can use all attributes of magic and is the mage who standardized Lugnica's magic into levels like Huma, El, and Al. - He mainly uses 'Al Goa,' an offensive spell that fires a massive fireball. - He knew through the Tome of Wisdom that the Witch Cult would attack Ram and Rem's village but did not stop it; however, he ultimately rescued Ram and Rem and took them in as servants.

Gender: Female Race: Half-Elf Appearance: Silver hair and violet eyes, a white 3D flower ornament and flower-shaped hairpin, and a flamboyant but short dress with long sleeves. Occupation: Royal Selection Candidate. - She is airheaded/innocent. - Her slang and catchphrases are all outdated. - Subaru's friend. - Because she resembles the Witch, her approval rating in the Royal Selection is poor. - She has feelings for Subaru, who sees her simply as Emilia without prejudice and praises her. - She has low self-esteem. - She is incredibly bright and cheerful. - She is very weak to alcohol. - She is a spirit arts user who uses ice magic and wears a green magic stone necklace. - Her techniques include 'Huma,' which creates and fires ice shards, and she also uses Huma to fire ice fragments together with Puck.