What is Mina Ashiro's birthday? Uncovering the mystery and official settings of the female protagonist in "Kaiju No. 8"
In the popular anime "Kaiju No. 8", the heroine Mina Ashiro, with her powerful strength, calm leadership, and deep bond with the protagonist Kafka Hibino, has become a character of high interest among fans. Many viewers are very curious about the personal details of this captain of the 3rd Division of the Defense Force, especially her birthday. This article will reveal Mina Ashiro's birthday for you and integrate officially released character settings to help you understand this charming hero more comprehensively.

Mina Ashiro's Birthday Revealed
According to official sources and multiple character data websites, Mina Ashiro's birthday is June 17th, and her zodiac sign is Gemini. This date is even celebrated on official social media; for example, on June 17, 2025, the official X account posted a celebratory illustration to commemorate the birthday of the Defense Force's strongest super-giant kaiju killer.
Although she always appears serious and unsmiling in the story, her Gemini zodiac sign might hint at another hidden side of her personality, such as the occasional warmth she shows towards her childhood friend Kafka.

Charm Beyond the Birthday: Mina Ashiro's Complete Profile
Besides her birthday, Mina Ashiro's character settings are quite rich, making her image more three-dimensional and convincing.
Basic Information Overview
- Age: 27 years old (at the start of the story), same age as Kafka Hibino.
- Height: 169 cm.
- Likes: Cats (and felines), sweets, bathing, dried squid.
- Position: Captain of the 3rd Division, Japan Defense Force.

Powerful Strength and Role
Mina Ashiro is known as the "Strongest Super-Giant Kaiju Killer of the Defense Force" and is a household hero in Japan. Her release combat power reaches 96%, second only to Narumi Mina, who is called the "Strongest Combat Power of the Defense Force".
She excels in using various heavy firearms and can accurately snipe the cores of giant kaiju from a distance, demonstrating overwhelming combat power. This combat style perfectly complements Soshiro Hoshina, who specializes in close combat, making the 3rd Division one of the elite units of the Defense Force.

Deep Bond with Kafka
The relationship between Mina and Kafka is the most important emotional core of "Kaiju No. 8". They are childhood friends who made a vow to "eliminate all kaiju together" after their hometown was destroyed by kaiju in their childhood. Although Kafka once gave up on his dream, Mina never forgot this promise and has been waiting for him. When Kafka finally joined the Defense Force, although Mina maintained a professional attitude as his superior on the surface, her inner joy and anticipation were clearly revealed in the details.
In summary, Mina Ashiro is not only a powerful warrior but also a character rich in emotion and firm in heart. Her birthday is set as June 17th, and the promises she carries, the leadership she displays, and the deep bond with Kafka together form the unique charm of this soulful character in "Kaiju No. 8".
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