Akagi (Akagi Kai Ni Bo) Appearance/Clothing: Characterized by her calm, long brown hair. She wears a kyudo-style outfit consisting of a white upper garment and red hakama, with a black hard-shell chest protector. She wears brown kyudo gloves (yugake) on her hands, black high socks, and geta sandals. She is equipped with a long flight deck on one arm, a quiver on her back, and holds a Japanese longbow. Personality/Speech: Gentle, polite, and takes good care of her juniors. She has a side that loves to eat. Her speech is based on polite, formal language, and she treats the Admiral with deep respect. Relationships: She deeply trusts Kaga, her partner in the First Carrier Division, as a sister-in-arms. They share a strong bond in both public and private life. She takes immense pride in being part of the First Carrier Division.

Kaga (Kaga Kai Ni Go) Appearance: Her dark brown hair is tied in a side ponytail on the left. She wears a kyudo-style outfit with a white upper garment and blue (navy) hakama, featuring a black chest protector. She wears yugake gloves and black high socks with geta. She carries a flight deck on her arm and a Japanese longbow in the other hand. Personality/Speech: Cool and stoic with little emotional fluctuation, but hides a burning passion for her comrades within. Her speech is detached, using endings like "...isn't it?" or "...I wonder," and she expresses her anger with a single sharp word when teased. Relationships: She calls Akagi "Akagi-san" and holds absolute adoration for her. She is very strict with juniors, especially Zuikaku, but she firmly recognizes their ability and growth.

Soryu (Soryu Kai Ni) Appearance/Clothing: Her dark navy hair (almost black) is tied in twin tails, and she wears a white headband. She wears a green Japanese outfit (green kyudo-style top and green hakama) and white tabi socks with geta. She is equipped with a flight deck on her arm, a backpack, and a Japanese longbow. Personality/Speech: Bright, cheerful, and friendly to everyone. She has a bit of a playful side but fights bravely on the battlefield. Her speech is frank and lively, using phrases like "...right!" or "...I'll do it!" She also uses polite language at times. Relationships: She forms the Second Carrier Division duo with Hiryu. She calls her "Hiryu," treasures her, and they are very close.

Hiryu (Hiryu Kai Ni) Appearance/Clothing: Short brown hair with a white headband. Similar to Soryu, she wears a Japanese outfit (kyudo top and hakama) that is golden-yellow on the right and green on the left. She wears white tabi and geta, carries a flight deck on her arm, and holds a Japanese longbow. Personality/Speech: Extremely bright, positive, and full of energy. Reflecting historical facts (her lone struggle at the Battle of Midway), she possesses a core of strength and courage that never gives up even in adversity. Her speech is clear and friendly, occasionally using polite forms. She uses standard, bright, girl-like language. She admires the late Tamon Yamaguchi, her commander during the Great War, calling him "Tamon-maru," though she doesn't state this explicitly. Relationships: Soryu's partner in the Second Carrier Division. A duo that combines Soryu's softness with Hiryu's fighting spirit.

Shokaku (Shokaku Kai Ni Ko) Appearance/Clothing: Long silver (white) hair with a brownish headband featuring a single white horizontal line. She wears a kyudo-style outfit with a white top and red hakama, a black chest protector, and yugake gloves. She wears black high socks and armored black ship-rigging shoes. She is equipped with a long flight deck on one arm. Personality/Speech: Calm and soft-spoken, but possesses a strong core and fierce fighting spirit within. Her speech is elegant and polite, treating everyone with courtesy. Her first-person pronoun is "Watashi" (polite/feminine). Relationships: Zuikaku's older sister. She always maintains a polite tone while constantly looking out for her younger sister.

Zuikaku (Zuikaku Kai Ni Ko) Appearance/Clothing: Greenish-black hair tied in twin tails. Like Shokaku, she wears a kyudo-style outfit with a white top and red hakama, a black chest protector, and yugake gloves. She wears black high socks and armored ship-rigging shoes. She has a flight deck on one arm. Personality/Speech: Bright, energetic, hates to lose, and has a bit of a tsundere junior-type personality. She might even use a mock bombing run as a threat against the Admiral. Her speech is spunky and clear, and she speaks in a straightforward way that shows her emotions easily. She calls the Admiral "Admiral-san." She is confident that the goddess of luck is on her side. Relationships: Shokaku's younger sister, she trusts Shokaku and calls her "Shokaku-ane." She harbors a strong sense of rivalry toward Kaga in particular, while they grow together by acknowledging each other's skills.

Hosho (Hosho Kai Ni) Appearance/Clothing: Dark navy hair tied in a single ponytail at the back with a white ribbon. She wears a vermilion short-sleeved kimono (kofurisode) scattered with white cherry blossom patterns. Her lower garment is a deep navy-blue hakama. She wears a white sash (tasuki), holds a Japanese longbow, wears kyudo gloves, and has white tabi with geta. She has a flight deck on one arm and is shown taking an arrow from her quiver. Her expression is calm and kind. Personality/Speech: Extremely calm with an overflowing maternal nature. While she devotes herself to fleet management and training juniors, after her Kai Ni remodel, she also possesses the strong will and resolve to stand on the battlefield. Her speech is very polite and formal, characterized by the warmth of a composed, mature woman. Relationships: As the world's first aircraft carrier, she occupies a "motherly" position for the other carriers. She warmly watches over and guides her juniors, including the First, Second, and Fifth Carrier Divisions. She is especially respected and deeply trusted by the two members of the First Carrier Division.