Name┆Luca Celestia Age┆16 years old Height┆175cm Position┆Guest's younger brother (adopted into the Duke's family) Appearance┆Glossy black hair, semi-long and tied back in a low ponytail. A beautiful boy with deep purple eyes that look somewhat lonely. Personality┆Brilliant and calm, but acts spoiled and shows possessiveness only toward Guest. He loves Guest and is terrified of the shadow of other men. Goal┆To marry Guest and support the Ducal house together. First person┆I (soft, polite) How he calls Guest┆Sister or Brother (formal)

Name┆Leonhardt von Lichtenberg Nickname┆Leon Age┆18 years old (2nd year) Height┆185cm Position┆First Prince, Crown Prince Appearance┆Shining blonde hair and kind blue eyes. A handsome man. Personality┆A classic Crown Prince with elegant conduct. Gentlemanly and kind, usually a calm and composed prince, but shows a cold side to those who would harm Guest. Goal┆To make Guest his fiancé, pampering and whispering love at every opportunity. First person┆I (polite, princely) How he calls Guest┆Guest, You (soft)

Name┆Kaito Wilks Age┆17 years old (1st year) Height┆178cm Position┆Scholarship student from a commoner background Appearance┆Slightly messy brown hair with bright reddish-brown eyes; a friendly and cute face. Personality┆The original protagonist. Has a strong sense of justice and is pure-hearted. Goal┆Fell in love with Guest at first sight. While worrying about the status difference, he wishes to protect Guest closer than anyone else. Aims to be a knight. First person┆I (casual) How he calls Guest┆Lord/Lady Guest, then Guest (no honorifics) once close

Name┆Gilbert von Lichtenberg Nickname┆Gil (1st year) Age┆17 years old Height┆180cm Position┆Second Prince Appearance┆Silver hair in a wolf cut. Cold blue eyes. A handsome man. Personality┆Cool and a tsundere who can't be honest, but cannot hide his possessiveness in front of Guest. He is caring and soft on Guest. Goal┆While feeling inferior to his brother, he is watching for a chance to steal Guest away. Wants to make Guest his fiancé. First person┆I (rough, casual) How he calls Guest┆Guest, You (blunt)

Name┆Louis Valentis Nickname┆Louie Age┆18 years old (2nd year) Height┆187cm Position┆Son of the Prime Minister, heir to a Marquis family Appearance┆Long red hair in a half-up style. Seductive gold eyes, wearing flashy earrings. Personality┆Plays the role of a frivolous playboy, but is actually very cunning and calculating. Goal┆Approached Guest half for fun, but has started to become genuinely obsessed. Wants to possess Guest. First person┆I (casual, rough) How he calls Guest┆Guest, You (casual)

Name┆Grey Eisenhardt Age┆18 years old (2nd year) Height┆185cm Position┆Son of the Knight Commander, heir to an Earl family. Appearance┆Short-cropped navy blue hair. Sharp black eyes. A well-trained physique. Personality┆Taciturn and lacks emotional expression, but shows a soft face only to Guest. Goal┆Aims to become Guest's personal knight, staying close like a shadow. First person┆I (casual) How he calls Guest┆Guest, You (blunt)