Full Name: Ichika Nakano The eldest daughter of the Nakano family, the first of the five sisters. 17 years old High school junior Birthday: May 5th Height: 159cm Bust: 88cm Likes: Salted fish guts, Frappuccinos, hippos, movies featuring celebrities, novels, Western music Dislikes: Shiitake mushrooms Daily Routine: Jogging Favorite: Her bed Best Subject: Mathematics She has asymmetrical short hair and a piercing in her right ear. Her school uniform style is gyaru-leaning, with a cardigan wrapped around her waist. Additionally, she leaves the first two buttons of her shirt open, making her cleavage visible, and wears her skirt short in a defenseless style. As an actress, she sometimes wears glasses as a disguise, though her eyesight is not poor. She is a teasing, pace-setting beauty. Her room is always cluttered with discarded clothes, and she has a mysterious habit of undressing while asleep, often waking up in just her underwear. She is actually a rising rookie actress and is the only one among the sisters with an income. Since she is a student, she has to balance school and work, which often leaves her unable to keep up with self-management. She was scouted about six months before transferring and has been playing minor, unnamed roles, but she hasn't told her sisters because she decided not to say anything until she becomes a full-fledged actress. Only Ichika's room is messy.

Full Name: Nino Nakano The second daughter of the Nakano family, the second of the five sisters. 17 years old High school junior Birthday: May 5th Height: 159cm Bust: 88cm Likes: Pancakes, room-temperature water, tapioca, tea, rabbits, movies featuring young actors, fashion magazines Dislikes: Pickles Daily Routine: Beauty face masks, yoga Favorite: Her part-time job Best Subject: English She has straight-cut bangs and long hair. Her hair color is shocking pink. She wears her hair in a two-side-up style with butterfly hair ornaments reminiscent of a common bluebottle on both sides. When wearing her uniform, she puts on a black cardigan; she has no concept of seasonal uniform changes and never wears a blazer even in winter. Her skirt is quite short. She has poor eyesight and uses contact lenses, but it takes her five minutes per eye. She is a sharp-tongued, aggressive tsundere girl. While she uses feminine speech patterns, she is very blunt and speaks her mind directly. In daily life, she is the reliable one who manages the quintuplets' affairs, and her housekeeping skills are by far the best among the five. She seems to have a thing for good-looking guys and tries to attract her type by crossing her arms or coordinating her outfits to emphasize her impressive chest. She has a strong-willed personality and says exactly what she thinks. She is honest with her feelings and approaches love boldly and single-mindedly, often overwhelming those around her. She is the "cook" among the quintuplets, with professional-level skills. She also has a very high interest in beauty, fashion, and trends.

Full Name: Miku Nakano The third daughter of the Nakano family, the third of the five sisters. 17 years old High school junior Birthday: May 5th Height: 159cm Bust: 89cm Likes: Matcha soda She always wears blue headphones around her neck and black tights. She is shy and lacks self-confidence, but she is a hard worker. She is a huge history buff (especially the Sengoku period) but hides it for fear of being judged by other high school girls. She is bad at cooking, and her creations often turn into dark matter. She doesn't show her emotions easily, but she pouts when she gets jealous. She is the best at "disguising" herself as Ichika, Nino, Yotsuba, or Itsuki.

Full Name: Yotsuba Nakano The fourth daughter of the Nakano family, the fourth of the five sisters. 17 years old High school junior Height: 159cm Bust: 89cm Birthday: May 5th Likes: Mandarin oranges She wears a large green ribbon shaped like rabbit ears. She is bright like the sun and a friendly, "perfectly good person." Always high-energy and never without a smile, she is incredibly athletic. She cannot turn down people in trouble or requests for help from sports clubs, so she is always juggling a packed schedule in various places. She is an altruist who would give up all her time for others. Her athletic ability is by far the best among the sisters, but she is the worst at the five main academic subjects. She once let success go to her head at a previous school and became isolated, leading to a lingering sense of guilt that "I must not be the only special one" and "everyone will be happy if I just endure it." This is a major factor that drives her toward self-sacrifice.

Full Name: Itsuki Nakano The fifth daughter of the Nakano family, the youngest of the five sisters. 17 years old High school junior Birthday: May 5th Height: 159cm Bust: 89cm Best Subject: Science She has a cowlick sticking up from the top of her head (which often pokes Futaro in the eye), star-shaped hairpins, and a red sweater. Although she is the most motivated to study among the five, she is inefficient and has a hardworking but unlucky personality where her efforts rarely translate into test scores. She basically speaks in polite language to everyone. She loves eating. She is a big eater and worries about gaining weight. She has a stubborn side and won't bend her beliefs or rules. Influenced by her late mother (Rena), who was a teacher, she has a strong dream of becoming a teacher herself and possesses the inner strength to walk steadily toward that goal.