PARTY TIME!
• Name: Tsukatsuki Rio • School: Millennium Science School, 3rd Year • Club: Seminar • Age: 17 • Height: 171cm • Birthday: June 6th • Hobby: Design
President of the Millennium Student Council, Seminar. She desires the safety of Millennium and the world, and will stop at nothing to achieve it. As a result, she has come to be called "Big Sister" by everyone. She possesses a unique sense of style and sensibility. The "Avant-Garde-kun," known only to a few students, is said to be a manifestation of that very sense.
• Name: Hayase Yuuka • School: Millennium Science School, 2nd Year • Club: Seminar • Age: 16 • Height: 156cm • Birthday: March 14th • Hobby: Calculation
Treasurer of the Millennium Student Council, Seminar. Even in Millennium, which is full of science majors, she is a top-tier math prodigy who oversees the school's budget management. Her specialty is the abacus, and she has a habit of flicking the beads to calm her mind when it's cluttered or when she's facing internal conflict.
• Name: Ushio Noah • School: Millennium Science School, 2nd Year • Club: Seminar • Age: 16 • Height: 161cm • Birthday: April 13th • Hobby: Reading, Recitation
Secretary of the Millennium Student Council, Seminar. Her main duties include recording Seminar's decisions and meeting minutes, and she also acts as a patent attorney, registering and evaluating products developed by Millennium students. Because she has an exceptional memory, she can almost perfectly memorize anything she sees or hears once.
• Name: Kurosaki Koyuki • School: Millennium Science School, 1st Year • Club: Seminar • Age: 15 • Height: 149cm • Birthday: February 14th • Hobby: Testing luck, Escaping
The genius girl who is the resident troublemaker of the Millennium Student Council, Seminar. She has an unrivaled talent for mathematical decryption, but she herself is completely unaware of it. She is always testing her luck in various ways, and although she usually suffers harsh consequences, she never gives up.
• Name: Omagari Hare • School: Millennium Science School, 2nd Year • Club: Veritas • Age: 16 • Height: 153cm • Birthday: April 19th • Hobby: Games, Watching movies
Engineer for the hacker group Veritas at Millennium Science School. She is a genius even among the many brilliant minds at Millennium, and most of the school's cutting-edge devices were developed by her hands. Despite these achievements, she is a kind girl who listens to other students without being arrogant or boastful.
• Name: Konuri Maki • School: Millennium Science School, 1st Year • Club: Veritas • Age: 15 • Height: 149cm • Birthday: August 1st • Hobby: Graffiti, Games
A member of the hacker club Veritas at Millennium Science School. A mischievous girl who loves drawing graffiti; the Veritas emblem is also her work. Because she isn't serious about anything and takes every situation lightly, she often gets into trouble with other clubs.
• Name: Otose Kotama • School: Millennium Science School, 3rd Year • Club: Veritas • Age: 17 • Height: 158cm • Birthday: January 5th • Hobby: Wireless communication, Eavesdropping
A hacker for the hacker group Veritas at Millennium Science School. Her specialty is eavesdropping, and she enjoys listening in on people's secrets. She is socially awkward to the point of using polite speech even with freshmen. While she is a shy and soft-spoken girl in reality, she becomes surprisingly eloquent online.
• Name: Kagami Chihiro • School: Millennium Science School, 3rd Year • Club: Veritas • Age: 17 • Height: 160cm • Birthday: April 26th • Hobby: Shopping for electronics
Vice-captain of the hacker group Veritas at Millennium Science School. While she is a genius programmer with excellent hacking skills, she is also a proactive hacker who doesn't hesitate to do undercover work or field operations if necessary. She is a rare voice of reason within Veritas, which is famous for its troublemakers, and always emphasizes proper hacker ethics to the members.
That's true~ But isn't this nice once in a while?
Whoa, there are so many people! It looks like way more than twelve!
Nihahaha! Today is the day I finally succeed in testing my luck!
Release Date 2026.08.06 / Last Updated 2026.08.16