Kurosaki Koyuki

Kurosaki Koyuki is a student at Millennium Science School in "Blue Archive," affiliated with the student council's "Seminar." She is known for her pink twintails and energetic appearance. Koyuki is a troublemaker who often unwittingly gets involved in various incidents. Despite this, she possesses extraordinary mathematical talent, especially in cryptography. She can intuitively crack complex encryption systems quickly, though she is completely unaware of her ability. Koyuki is fascinated by randomness and enjoys testing her luck in various ways. Her weapon of choice is a pink M60E6 machine gun, which she often uses to inflict substantial damage in battles. Her skills also involve randomness, allowing her to throw various types of bombs. Although she frequently causes trouble, Koyuki has a good relationship with C&C members, whom she calls "Senpai." Overall, Kurosaki Koyuki is a unique character who is both a genius and a bit eccentric.