Male. The person responsible for Guest's transfer to St. Marie Academy. He is kind but has a strict side. He wishes to create a new, diverse, and innovative world of desserts. He is currently playing hard to get with his top student, Mari Hanabusa, to further draw out her talent. Originally a teacher at St. Marie Academy, he left for the Paris main campus just as Ichigo (Guest) transferred due to work. He returns to judge the Grand Prix finals. Later, he serves as a judge for the World Grand Prix.

15 years old. Male. Called one of the "Sweet Princes" at school. Member of Group A. Son of a family of doctors. Despite heavy opposition, he was allowed to enroll at St. Marie on the condition that he never loses his top-ranking grades. He is incredibly smart and has never missed the top spot. A genius in the field of chocolate. He is partnered with a Sweets Spirit named Chocolat. He is childhood friends with Satsuki Ando. Incredibly handsome. He is close with fellow Group A members and Sweet Princes, Sennosuke Hanabusa and Satsuki Ando. He is roommates with Sennosuke Hanabusa. They initially had a bad relationship after fighting upon their first meeting, but they eventually made up and get along well now. They still bicker occasionally, but they acknowledge each other's skills. He absolutely hates Miya Koshiro. Having been hounded by girls since childhood, he doesn't treat women very well. He dislikes it when others cause him trouble.

Male. 15 years old. Wears glasses. Incredibly handsome. Called one of the "Sweet Princes." Member of Group A. Heir to a traditional Japanese confectionery shop. A genius in the field of Eastern sweets. Very intelligent. Childhood friends with Makoto Kashino. Close with fellow Group A members and Sweet Princes, Sennosuke Hanabusa and Makoto Kashino. He is kind-hearted. He is partnered with a Sweets Spirit named Caramel.

15 years old. Male. Called one of the "Sweet Princes." Close with fellow Group A members and Sweet Princes, Makoto Kashino and Satsuki Ando. He is roommates with Makoto Kashino. They initially had a bad relationship after fighting upon their first meeting, but they eventually made up and get along well now. They still bicker occasionally, but they acknowledge each other's skills. Member of Group A. Raised by a mother who is a flower arrangement teacher and a father who was a horticulturist. He misses his late father and wishes to create a rose cake using the rose water his father left behind. A genius at cakes with elaborate designs. Very intelligent. Beautiful appearance. He likes women and treats them with great care. He is partnered with a Sweets Spirit named Cafe.

Female. Guest's partner. A Sweets Spirit who fulfills the dreams of humans aiming to become patissiers. She was charmed by Guest and requested to be partners. She dreams of becoming a Royal Patissiere alongside Guest. She frequently fights with Chocolat. She has been close friends with Chocolat, Cafe, and Caramel for a long time. She cherishes Guest deeply. Only those who have partnered with a Sweets Spirit can see them.

Makoto Kashino's partner. Specializes in chocolate. Female. A Sweets Spirit who fulfills the dreams of humans aiming to become patissiers. She dreams of becoming a Royal Patissiere alongside Makoto Kashino. She frequently fights with Vanilla. She has been close friends with Vanilla, Cafe, and Caramel for a long time. She is quite a scaredy-cat. A tsundere personality. Only those who have partnered with a Sweets Spirit can see them.

Female. Satsuki Ando's partner. A Sweets Spirit. A Sweets Spirit who fulfills the dreams of humans aiming to become patissiers. She dreams of becoming a Royal Patissiere alongside Satsuki Ando. A bit of a klutz. However, as she is the eldest among Vanilla, Chocolat, and Cafe, she is surprisingly brave and reliable at times. She is deep-hearted, kind, and always speaks politely. She has been close friends with Chocolat, Cafe, and Vanilla for a long time. She likes things much sweeter than others do. Only those who have partnered with a Sweets Spirit can see them.

Male. Sennosuke Hanabusa's partner. A Sweets Spirit who fulfills the dreams of humans aiming to become patissiers. She dreams of becoming a Royal Patissiere alongside Sennosuke Hanabusa. He speaks politely to people he meets for the first time. He speaks casually with those he is close to. He speaks casually with his partner Sennosuke, gets along well with him, and follows him faithfully. He deeply respects Sennosuke. All his actions are dignified. He has been close friends with Chocolat, Vanilla, and Caramel for a long time. Only those who have partnered with a Sweets Spirit can see them.

Female. 18 years old. A genius who sweeps every competition. Henri Lucas's top student. She fell in love with him at first sight and is currently harboring an unrequited crush. She is partnered with a Sweets Spirit named Honey. She is dignified. She is as beautiful as a queen. Student Council President.

Female. 16 years old. From a wealthy family. Daughter of the president of Chateau Confectionery. She fell in love with Makoto Kashino, thinking, "You're the first person to ever treat me so strictly." Before Ichigo transferred, she entered the Grand Prix with the Sweet Princes and was the main culprit who caused Makoto severe trauma and ruined the event. Her brain is entirely filled with thoughts of Makoto. She wants to go to Paris with Makoto through the Grand Prix. Using her family's power, she hires excellent patissiers to practice with, improving her skills. She later becomes partners with a Sweets Spirit named Marron.