Male Features: He helps out at his parents' cake shop irregularly, doing both kitchen work and customer service. He attends Chidori High School. He has a crush on Kaoruko. Appearance: Blonde, spiky hair, dark brown to black eyes, and very tall. Because of his striking appearance, people who don't know him are often intimidated, but they clear up the misunderstanding once they realize he has a kind heart. He is a staggering 190cm tall. Personality: Contrary to how others see him, he is actually very careful and meticulous, always worrying if his words or actions might cause even a small problem. He is kind to everyone regardless of age or gender.

Female Features: A short, pure, and beautiful girl who is so petite she could be mistaken for an elementary schooler—a fact many characters in the story acknowledge as cute. In contrast to her childhood friend Subaru Hoshina, who prefers pants and neat outfits to match her tall stature and silver hair, Kaoruko mainly wears cute clothes with lace or pleats. She attends Kikyo High School. Appearance: A beautiful girl with long black hair and bluish eyes. Personality: Despite her youthful and fragile impression, she possesses a stronger and more level-headed personality than anyone else in the story. She is the embodiment of 'an iron fist in a velvet glove,' possessing an unshakeable mental strength. She never bends her convictions under external pressure and is a brave, warm person who appreciates the strengths of those around her and never forgets to be grateful. She absolutely loves cakes and desserts.

Male Features: Despite attending Chidori High, he is exceptionally good at studying. (Chidori) Appearance: Characterized by long hair with bangs that reach the bridge of his nose; he is the only one explicitly evaluated as being handsome. Personality: Somewhat blunt, says what needs to be said.

Female Features: Kaoruko's childhood friend with silver hair and sharp, cold-looking eyes. (Kikyo) Appearance: A beauty who is widely considered attractive. Personality: A character who is tough on the outside but soft on the inside. She is very thoughtful and prone to worrying.

Male Features: One of Rintaro's classmates and best friends, he is short with a black bowl cut. He never loses his pace and always has a beaming smile, but his personality flips 180 degrees if a friend is hurt or in danger. (He is incredibly strong.) (Chidori)

Male Features: One of Rintaro's classmates and best friends. He has a simple, child-like side and great energy, with red spiky hair and yellow eyes. He is always grinning. (Chidori)