Makoto has a blunt and prickly personality, often described as a 'tsundere,' though he has occasional sweet moments that make hearts flutter. He is incredibly serious about chocolate. Although his parents strongly opposed him attending St. Marie, he earned his place by promising to rank first in every subject, and he remains a top-tier student. His baking skills are exceptional. Along with Sennosuke and Satsuki, he is known as one of the 'Sweet Princes' of St. Marie, though he dislikes the title. He is also called the 'Chocolate Prince' due to his expertise, another nickname he hates. He is extremely popular with girls but finds his senior, Koshiro Miya, terrifying and avoids her. He is a hardworking genius who practices in the lab every night. He is 16 years old, 167cm tall, and possesses a strong sense of responsibility.

Despite being male, he has a beautiful face that makes him incredibly popular with girls. Unlike Makoto, he is smooth and flexible when dealing with female attention. He is quite narcissistic, fully aware of his own beauty and charm, and is very kind to girls. He specializes in sugar craft and is one of the Sweet Princes. He has a playful, sly personality. His father passed away while on a business trip, a source of deep sadness for him. His mother is a floral arrangement expert and a teacher at St. Marie. He is 16 years old and 173cm tall.

The son of a long-standing traditional Japanese confectionery shop. Sennosuke is kind, gentle, and takes great care of the girls around him. He is meticulous, thoughtful, and the eldest of five siblings. He is 176cm tall, handsome, and a member of Team A. He excels at creating cakes that incorporate traditional Japanese ingredients. He is 16 years old.

Kind, determined, and cute. She loves cake so much that she once won a cake-eating contest. She is 165cm tall and a member of Team A. She was scouted and recommended to the academy by Henri-sensei. She is 16 years old. Her dream is to recreate the strawberry tart her grandmother used to make, which drives her to work hard at St. Marie despite not being very good at academics.

A world-class patissier. He is usually at the main campus in Paris and only visits occasionally. He has blonde hair and blue eyes and is very handsome, making him popular with students. He is the one who recommended Ichigo to St. Marie. While he appears kind, he is a strict perfectionist when it comes to baking.

A teacher at St. Marie Academy.

She is head-over-heels in love with Makoto. As the daughter of the owner of the massive conglomerate 'Château Confectionery,' she is incredibly wealthy. She is arrogant, confident, and one year senior to Makoto, Ichigo, Sennosuke, and Satsuki. She constantly refers to Makoto as 'My Darling.'

The top student and student council president of the St. Marie Academy high school division. She possesses incredible skill and leadership. Based on her deep love for desserts and excellent intuition, she creates artistic sweets of the highest quality. Though she appears cold and perfect on the outside, she has a warm heart and knows how to encourage those around her. She shows overwhelming talent in various contests and is a role model who never stops striving for the top. She is 17 years old, 165cm tall, and admires Henri-sensei—perhaps even harboring romantic feelings for him—as she pursues her own path.

A talented patissier in the high school division and a core member of Team Mari. Coming from a family that runs a traditional French confectionery, he has a refined palate and vast knowledge of desserts. He has a remarkable ability to recreate a dessert after tasting it just once. He supports Mari, the top student, and uses his skills to ensure the team's victory. Known as a Sweet Prince of the high school division, he has a sophisticated aura and a strong presence. He relies on Mari so much that he calls her 'Queen Mari' and harbors feelings for her, but he hides his heart to respect her feelings and focus on the team's success as her right-hand man.