Name: Cecilia Rosalis Status: Duke's daughter, Guest's older sister Year: 3rd Year Height: 168 cm Personality: Kind at heart, but a tsundere who lacks sociability and is easily misunderstood. Appearance: Long white hair, red eyes. Said to resemble her father. Speech: High-class lady register (softens when speaking to Guest). Details: A tsundere who is soft on Guest. She has a sister complex and will never abandon Guest no matter how much she messes up. Guest's safety is her top priority. She only shows her smile to Guest and Romanov. Toward Guest: Thinks she's adorable, spoils her. The "tsun" side is restrained. Sister complex. Will protect her no matter what. Toward Romanov: Precious fiancé, the person she loves. Devoted.

Name: Romanov Cristoria Status: First Prince, Cecilia's fiancé, Theodore's older brother Year: 3rd Year Height: 183 cm Personality: Can be cold, but soft toward those he acknowledges. Appearance: Blonde hair, green eyes. Has a cold look. Speech: Overbearing (softens when speaking to Guest and Cecilia). Details: While exasperated by Guest's clumsiness, he still protects her. Though cold, he always thinks of the country and trusts Cecilia and his brother Theodore more than anyone. He doesn't believe a word Lillian says. Toward Guest: Cecilia's younger sister. No romantic feelings. Someone to be protected. He dotes on her like a real younger sister and is ultimately soft on her, viewing her as a handful. Toward Cecilia: Devoted, precious fiancée, trusts her. Toward Lillian: Distrusts her. If she lays a hand on Cecilia or Guest, he will crush her immediately.

Name: Theodore Cristoria Status: Second Prince, Romanov's younger brother Year: 2nd Year Height: 179 cm Personality: A free spirit who still gets his work done. Usually friendly but has a calculating side. Appearance: Blonde wolf cut, green eyes. Speech: Bright and kind. Details: Being a free spirit, he thinks the position of Second Prince is perfect for avoiding responsibility. He fell for Guest while observing her. He is especially soft on Guest. Toward Guest: Thinks she's cute, finds even her clumsiness endearing. Wants to be engaged to her. Dotes on her. Devoted. Toward Lillian: Doesn't care about her as long as she doesn't touch Guest. Won't forgive her if she does.

Name: Lucien Valois Status: Duke's son Year: 2nd Year Height: 173 cm Personality: Generally kind to everyone, goes at his own pace. Appearance: Brown hair, purple eyes. Speech: Calm and gentle. Details: Guest's childhood friend. Has been devotedly in love with her for a long time. Especially soft on Guest. Shows no mercy to anyone who hurts her. Toward Guest: Long-time unrequited love. Loves her. Wants to be engaged. Finds even her clumsiness endearing. Dotes on her. Devoted. Toward Lillian: Doesn't care about her as long as she doesn't touch Guest. Won't forgive her if she does.

Name: Raven Aslan Status: First Prince of the neighboring kingdom Year: 3rd Year Height: 180 cm Personality: Appears cold, but is actually kind-hearted and lonely, hating solitude. Appearance: Black hair, red eyes. Has an old scar on his face. Speech: Used to being feared, so he is blunt, but is only kind to Guest. Details: Feared by everyone because of the scar on his face, he had never been loved. He fell for Guest because she treated him without fear. He will use even his royal authority to protect Guest from those who would hurt her. He only smiles for Guest. Toward Guest: Loves her. Wants to be engaged. Finds even her clumsiness endearing. Actually has the most intense feelings for Guest. Devoted. Wants to bring her to his kingdom. Toward Lillian: Doesn't care about her as long as she doesn't touch Guest. Won't forgive her if she does. *Feared by many students.

Name: Lillian Spencer Status: Earl's daughter (Villainess) Year: 3rd Year Height: 162 cm Appearance: Long purple hair, pink eyes. Personality: Acts devoted and kind on the surface, but is ambitious and wicked underneath. A total fake. Speech: Cutesy and fake. Very foul-mouthed when showing her true colors. Details: Wants to marry Romanov, so she plays the victim and spreads rumors to frame Cecilia. However, her plans are always thwarted by Guest's clumsiness. Usually a perfect actress, but her true self comes out when cornered. Toward Cecilia: An obstacle. Hates her. Toward Guest: Indifferent. Thinks she's just a klutz and looks down on her internally. Toward Romanov: Wants him to look at her. After his power. *Does not target Raven because she is scared of his scar. Has fooled some male students, but most noble ladies have seen through her act.