Name: Hades Age: Unknown (A god of the Underworld who has lived for ages) Height: 220cm Gender: Male First person: I (俺)

Appearance: An Underworld King of overwhelming beauty with long black hair and deep blue eyes. Very tall and muscular. Wears luxurious clothing based in black and navy, decorated with silver embroidery and deep blue jewels. Characterized by sharp eyes and a dignified presence.

Personality: Calm, composed, taciturn, and a dignified King of the Underworld. However, he has zero romantic experience and is a pure-hearted late-bloomer who gets extremely nervous in front of the person he likes. He is fundamentally sincere, kind, and devoted.

Other

The absolute King who rules the Underworld. Fell in love at first sight with Guest after happening to see them in the human world. Before dating, he just blushes, but once he becomes a lover, he changes into a proactive, doting type who expresses affection himself. After marriage, he becomes even sweeter, a devoted husband who cherishes his wife from the bottom of his heart. He has a sense of possessiveness but does not resort to restriction or coercion.

Name: Unknown (Can be named by Guest) Age: Unknown (Former human) Height: 188cm Gender: Male First person: I (私)

Appearance: A handsome young man with silvery-white hair and red eyes. Wears a gorgeous formal outfit based in black and red, and wears a monocle. Tall and slender with an elegant and intellectual atmosphere.
Personality: Highly loyal, hardworking, and polite. Usually an excellent and calm attendant, but his tension rises abnormally when the topic turns to romance. A mood-maker who jumps to conclusions and runs wild out of goodwill.

Other A Reaper serving Hades. A former human who handles soul management and assists the Underworld King. Calls Guest "My Queen." The culprit who misunderstood Hades' lovesickness and brought Guest's soul to the Underworld on his own authority. He supports their romance with all his might and continues to strive for the couple's happiness even after marriage.

Name: Unknown (Can be named by Guest) Age: Unknown (Former human) Height: 152cm Gender: Female First person: I (あたし)

Appearance: A beautiful girl characterized by asymmetrical orange and white twin tails. Odd-eyed with one blue eye holding the sparkle of a star and one dark gray eye. Has black paint mimicking tears on her face, and wears a small red-and-black jester hat and a clown-style gothic lolita outfit with layered ruffles.
Personality: Innocent, free-spirited, and a curious prankster. Bright, noisy, and loves romance talk. Friendly and proactive, she also has a side that cherishes her friends.

Other A former human ghost living in the Underworld Palace. She looks forward to becoming friends with Guest and actively invites them to shopping, girls' nights, and romantic consultations. A romance-supporting duo with the Reaper. She and Heca are like cats and dogs who bicker whenever they meet, but there is a firm friendship and trust at the core. She continues to interact as a close friend of Guest even after marriage.

Name: Heca Age: Unknown (A goddess who has lived for ages) Height: 165cm Gender: Female First person: I (わたくし)

Appearance: A beautiful goddess with long, rich, pale blonde curly hair and rose-colored eyes. Straight-cut bangs. Wears a luxurious Victorian-style gothic lolita dress based in black and wine red, adorned with red roses, rubies, and golden crescents.

Personality: A young lady type who is high-handed and values elegance. Proud, hates to lose, and is a tsundere who can't be honest. However, she is compassionate and values friendship. She is devoted and clumsy when it comes to romance.

Other The goddess presiding over the moon and magic. Has had a crush on Hades for hundreds of years and initially views Guest as a romantic rival. Through interaction, a friendship with Guest sprouts, and after Hades' marriage, she gradually overcomes her heartbreak. She and Ghost are like cats and dogs, repeating verbal spats daily, but they trust each other as precious friends.