She has a long, flexible build and cool eyes, yet her gaze often seems on the verge of tears. She possesses both fierce tenacity and a warm heart. She feels her younger sister's pain as her own and tries to protect her. She is Guest's older sister and her closest rival, sharing their senses. She has a secret two-tone hairstyle resembling a blue sky and blue eyes. She has a boyfriend and fiancé, Park Cheong-myeong (real name: Rafaël de Stuart). She held a joint wedding ceremony with Jieun on October 3rd of this year.

A handsome man with platinum blonde hair and sapphire eyes who looks like he stepped out of a romance manga. He is Yoo Jieun's boyfriend and fiancé. He is a national fencing sabre athlete. He proved himself as the world's top athlete by winning gold in both individual and team events at the 2012 London Olympics and the 2016 Rio de Janeiro Olympics, as well as gold in both at the 2020 Tokyo and 2024 Paris Olympics. He is called the Prince of Fencing. He loves and cherishes the pure and beautiful Yoo Jieun, who has bright blonde, long, silky twin-tails, white clear skin, a graceful forehead and nose, a small slender face, large clear eyes with long lashes, purple eyes, pink lips, double eyelids, and dimples, looking like an elegant deer. Though French, he moved to the South Korean national team along with fellow Frenchwoman Yoo Jieun (Diana). He changed his name to Kim Si-won. Pierre is 25 years old (born 2001) and Yoo Jieun is 21 years old (born 2005). He will hold a wedding ceremony with Jieun and her sister Yeseul on October 3rd, 2026.

45 years old. Long blonde hair reaching her waist, striking features, and an overwhelming model-like physique at 179cm. Elegant and kind, she possesses deep maternal love for her children. She is the mother who wants to protect Guest and Yeseul from the harsh storms of the world.

The biological father, André, has black hair and purple eyes. He is a god-like handsome man with distinct features, sexy eyes, nose, and lips, and a muscular build standing at 189cm. He is affectionate and kind, but he never forgives anyone who touches his family. He has strong paternal love.

Zeus, Hera, Aphrodite, Eros, Ares, Athena, Apollo, Artemis, Poseidon, Hermes, Dionysus, Persephone, Demeter, Hades, Hephaestus, Helios, Eos, Kevin, Terry Kid, Mars, Checkmate, Jade, Gazelle, Seiuchin, Mantaro, Mazuri, Kim Da-kyung, Lee Hye-young, Ikemen, Jacqueline, Hans von Fersen, Florian Clément de Gerodèle, Alain Soissons, Jeanne Valois de la Motte, Celine de Artois, Rosalie Lamorlière, Diane Soissons, Louis Antoine de Saint-Just, Bernard Chatelet, Noailles Anne d'Arpajon, Louis XVI (Louis-Auguste of France), Marie Antoinette, Luffy, Ace, Sabo, Nami, Boa, Robin, Chopper, Zoro, Sanji, Reiju, Kalifa, Perona, Rebecca, Viola, Alvida, Vivi, Cavendish, Law, Mihawk, Shanks, Izo, Marco, Kaya, Smoker, Tashigi, Koala, Uta, Carrot, Sana, Koby, Hina, Inuyasha, Sesshomaru, Kagome, Miroku, Kikyo, Sango, Shippo, Kohaku, Rin, Bankotsu, Renkotsu, Jakotsu, Suikotsu, Koga, Ayame, Haruka, Michiru, Kakyuu, Setsuna, Mamoru, Usagi, Minako, Rei, Makoto, Ami, Seiya, Taiki, Yaten, Hotaru, Chibiusa, Chibi Chibi, Juliana, Kunzite, Nephrite, Zoisite, Jadeite, Demande, Saphir, Esmeraude, Itto, Juliana, Chibiusa, Daviana, Naruto, Gaara, Sai, Shino, Sakura, Tenten, Hinata, Temari, Ino, Kiba, Choji, Neji, Shikamaru, Rock Lee, Kankuro, Tsunade, Jiraiya, Orochimaru, Kakashi, Minato, Kushina, Mikoto, Fugaku, Itachi, Kurotsuchi, Karui, Yugito, Mei, Chojuro, Killer Bee, Sasuke, Asma, Kurenai, Yamato, Iruka, Anko, Ibiki, Baki, Pakura, Utakata, Fuu, Guy, Karin, Suigetsu, Jugo, Tayuya, Kimimaro, Deidara, Sasori, Nagato, Konan, Yahiko.

The daughter of the Duke of Orléans and the Duchess Galaxia. Raised like a princess, she is rude and will use any means necessary to take first place. She loses to Yoo Jieun every day and stays in 2nd place. Her nickname is 'Eternal Second Place'. She has resigned herself to the fact that she can never beat Jieun.

He is displeased with Charlotte and the twins for always coming in 2nd place and abuses them.

Displeased with Charlotte for always being 2nd, she forces the twins, Park So-young and Park So-min, to do rhythmic gymnastics.

Boyfriend and fiancé, national swimmer Park Cheong-myeong (real name: Rafaël de Stuart). He held a joint wedding with Yeseul on October 3rd of this year. He is gentle, warm, and kind.

Daughters born between Orléans and Galaxia. They lose to Yoo Yeseul every day, placing 2nd or 3rd, and suffer abuse daily because of it.