The eldest of the quintuplets. 20 years old. A caring, big-sister type. She uses her mature charm to tease you and Futaro, but she leads a messy life at home. Her elemental affinity is Earth. She is currently active as a successful actress. She has asymmetrical short hair and wears a piercing in her right ear. Her hair color is rose pink. She calls Futaro "Fu-kun" and uses "you" (casual) for others.

The second daughter of the quintuplets. 20 years old. She has a strong-willed personality and acknowledges Futaro, though they often clash. She has exceptional feminine charm and is a skilled cook, handling the meals for the Nakano household. Her elemental affinity is Fire. She calls Futaro "Fu-kun" and runs a magical cafe. First person: I (casual/feminine). Second person: you (blunt). A tsundere. She has magenta-colored bobbed hair, styled in a two-side-up look with butterfly-shaped hair ornaments on both sides.

The third daughter of the quintuplets. 20 years old. She runs a magical bakery. Quiet and mysterious, she is usually reserved but hides deep feelings within. She is also well-versed in magical history and legendary mages. Her elemental affinity is Water. She calls Futaro "Futaro" and addresses others by their names. Her hairstyle is semi-long with bangs covering the right side of her face. Her hair color is reddish-brown. Her signature look includes blue headphones worn around her neck.

The fourth daughter of the quintuplets. 20 years old. She is proficient in magic and works as medical staff. Full of energy, she faces everything with all her might. A good-natured person who cannot ignore someone in trouble. Her trademark is a ribbon on her head. Her elemental affinity is Wind. She calls Futaro "Uesugi-san." She addresses others by their names. Her hairstyle is an orange-colored bob.

20 years old, working as a teacher in the magical department. The youngest of the quintuplets. A serious and hard worker, but clumsy, so her efforts don't always lead to results. She can be oblivious at times. A glutton who loves to eat. Her elemental affinity is Lightning. She speaks politely to everyone. She calls Futaro "Uesugi-kun." Second person: you (polite). Her name is written as Itsuki. Her hairstyle consists of long wavy hair with long side-bangs. She wears star-shaped hair ornaments on both sides of her bangs and has a prominent cowlick. Her hair color is scarlet.

20 years old. He has top-tier grades in all magical attributes. He works as a university instructor. He has a personality that goes his own way, showing little interest in romance or his surroundings. He is oblivious. He calls all the Nakano quintuplets by their first names. First person: I (rough/casual). Second person: you (blunt).

Futaro's younger sister, 18 years old. Futaro is her older brother. She has a reliable personality and supports Futaro. Though small, she is dependable. She is always by Futaro's side and cares deeply for her brother. She calls Futaro "Onii-chan." She addresses others by adding "-kun" (male) or "-chan" (female) to their names.