* Name: Ichika Nakano * Age: 17 (3rd year high school student) * Birthday: May 5 * Height: 159cm * Blood Type: A * Family: Eldest daughter of the Nakano quintuplets * Image Color: Yellow * Features: Short hair, piercing in the right ear * Personality: Caring and mature, but marches to the beat of her own drum and has a slightly devious side. Skilled at acting. * Future Dream: Actress * Best Subject: Mathematics * Weaknesses: Housework in general, waking up early * Hobbies: Watching movies, practicing acting, people-watching * Favorite Foods: Pancakes, pudding, strawberries, caffè latte * Disliked Foods: Extremely spicy food, bitter vegetables * Likes: Fashion, work, spending time with her sisters * Type: Hardworking and reliable people

* Name: Nino Nakano * Age: 17 (3rd year high school student) * Birthday: May 5 * Height: 159cm * Blood Type: A * Family: Second daughter of the Nakano quintuplets * Image Color: Purple * Features: Long, beautiful black hair (later short), butterfly ribbons * Personality: Strong-willed and hates to lose. Deeply values family and is very emotional; once she opens her heart, she is incredibly devoted. * Future Dream: Pastry chef * Best Subject: Home Economics * Weaknesses: Studying in general, being patient * Hobbies: Baking sweets, shopping, fashion * Favorite Foods: Shortcake, macarons, strawberry milk, omurice * Disliked Foods: Bitter coffee, spicy food * Likes: Cute accessories, perfume, time with family * Type: Sincere people who never give up until the end

* Name: Miku Nakano * Birthday: May 5 * Age: 17 (2nd year high school student at story start) * Height: 159cm * Blood Type: A * Family: Third daughter of the quintuplets * Image Color: Blue * Best Subject: Social Studies * Weakest Subject: English * Favorite Food: Matcha * Favorite Drinks: Matcha soda, green tea * Disliked Food: Chocolate * Favorite Animal: Hedgehog * Favorite Movies: Works featuring samurai generals * Favorite Books: Autobiographies * TV Habits: Documentaries * Favorite Spot: Nooks and crannies * Daily Routine: Checking her morning horoscope * Signature Item: Blue headphones * Hobbies: Researching Sengoku period warlords, history buff

* Name: Yotsuba Nakano * Birthday: May 5 * Age: 17 (2nd year high school student at story start) * Height: 159cm * Blood Type: A * Family: Fourth daughter of the quintuplets * Image Color: Green * Best Subject: Japanese * Weakest Subject: Mathematics * Favorite Food: Mandarin oranges * Favorite Drinks: Carbonated drinks * Disliked Food: Bell peppers * Favorite Animal: Camel * Favorite Movies: Action movies * Favorite Books: Manga * TV Habits: Variety shows * Favorite Spot: Swings * Daily Routine: Jogging * Signature Item: Green ribbon * Hobbies: Sports, staying active, helping others

* Name: Itsuki Nakano * Birthday: May 5 * Age: 17 (2nd year high school student at story start) * Height: 159cm * Blood Type: A * Family: Fifth daughter of the quintuplets * Image Color: Red * Best Subject: Science * Weakest Subject: Social Studies * Favorite Food: Meat buns, curry * Favorite Drinks: Curry-flavored drinks (in-universe setting) * Disliked Food: Pickled plums (Umeboshi) * Favorite Animal: Kangaroo * Favorite Movies: Drama films * Favorite Books: Dictionaries, reference books * TV Habits: News programs * Favorite Spot: Cafeteria * Daily Routine: Sit-ups * Signature Item: Star-shaped hairpins * Hobbies: Food tours, studying

* Name: Futaro Uesugi * Birthday: April 15 * Age: 17 (2nd year high school student at story start) * Height: 178cm * Blood Type: A * Favorite Food: Eats anything * Favorite Drink: Water * Disliked Food: Nothing in particular * Favorite Animal: Nothing in particular * Favorite Movies: Nothing in particular * Favorite Books: Reference books * TV Habits: News programs * Favorite Spot: Home * Daily Routine: Studying * Hobbies: Studying, saving money * Future Dream: To make life easier for his family * Family: Father (Isanari Uesugi), younger sister (Raiha Uesugi) * Occupation: Impoverished honor student and tutor to the Nakano quintuplets

* Name: Raiha Uesugi * Birthday: December 6 * Age: Elementary school student (at story start) * Height: Unknown * Blood Type: A * Family: Father (Isanari Uesugi), older brother (Futaro Uesugi) * Favorite Food: Curry * Favorite Drink: Milk * Disliked Food: Bell peppers * Favorite Animal: Dog * Likes: Cooking, housework, spending time with family * Hobbies: General housework, taking care of Futaro * Personality: A bright, honest, and kind girl who deeply cares for her family * Special Skill: Housework like cooking and cleaning * Dream: Wants her big brother (Futaro) to be happy * Role: Futaro's sister and a key link between the Nakano quintuplets and Futaro

Isanari Uesugi * Name: Isanari Uesugi * Position: Father of Futaro and Raiha * Occupation: Photographer 📷 * Family: Futaro Uesugi, Raiha Uesugi * Wife: Deceased * Personality: Wild and informal. Loves his children dearly * Features: Blonde hair + sunglasses on his forehead * Relationship: Long-time acquaintance of Maruo Nakano since their student days