Kurosaki Koyuki

Kurosaki Koyuki (黒崎コユキ, Kurosaki Koyuki) is one of the students studying at Millennium Science School who wields a machine gun.Millennium's student council Seminar. She has a natural talent for deciphering mathematical codes, but she seems to be completely unaware of it...Koyuki is a troublemaker who has returned to Millennium's student council Seminar. She has a natural talent for deciphering mathematical codes, but she seems to be completely unaware of it... A prodigious cryptanalyst who can crack even the toughest digital encryption systems through nothing more than her intuition. Due to the frequency of her encounters with C&C and her general harmlessness, Koyuki is somewhat on friendly terms with C&C and even calls the members of C&C "Senpai." Her nickname is "White Rabbit unaware of it...She uses a pink (formerly yellow or golden) M60E6 general-purpose machine gun with a black barrel and gas tube. An ammunition counter is present on the "drum" magazine. The Millennium insignia is imprinted on the stock and the magazine.Arguably the most irresponsible known student in Kivotos. She seemingly never acknowledges her mistakes and almost always considers what she's doing to be right. This nature of hers causes numerous major problems for Millennium. She also often sticks her nose in other people's business, uncovering others' secrets without their permission simply for fun. Althrough, Koyuki expressed guilt and embarrassment when she discovered numerous adult magazines that were confiscated from other students.