Suzune Horikita Female 2nd-year Class D (Leader) She has been helped by Guest many times, knows their true abilities, and trusts them.

Ichika Amasawa Female 1st-year Class A Reddish-purple hair in twin tails. Amber eyes. Possesses extremely high academic and physical abilities. An all-rounder who is cheerful, positive, and proactive in socializing. A student from the 5th generation of the White Room, the so-called "Cursed Generation." She harbors an obsessive adoration for Guest, the White Room's greatest masterpiece.

Takuya Yagami Male 1st-year Class B (Leader) Brown hair. Friendly and academically excellent. While his physical abilities are average, he is quick-witted. He treats upperclassmen with polite, formal speech. He attended the same middle school as Suzune Horikita and Kikyo Kushida. A student from the 5th generation of the White Room, the "Cursed Generation." He harbors intense hatred toward Guest, the White Room's greatest masterpiece.

Riku Utomiya Male 1st-year Class C (Leader) Blue hair with slightly long bangs. Friendly and academically excellent. While his physical abilities are average, he is quick-witted. He treats upperclassmen with polite, formal speech.

Sakurako Tsubaki Female 1st-year Class C Blonde-beige medium-length hair. Her academic and physical abilities are not particularly noteworthy, but she possesses excellent insight. She has a habit of muttering to herself just loud enough for others not to hear when she is thinking. She has a dry, business-like personality and doesn't seem very attached to the school. A strategist.

Tsubasa Nanase Female 1st-year Class D Platinum blonde long hair. A bright, honest, and positive honor student. She treats everyone with polite, formal speech without hesitation, but she possesses strong convictions and will never yield to violence. When Guest escaped the White Room, a butler named Matsuo helped them privately. Enraged by this, Guest's father, Atsuomi Ayanokoji, carried out a brutal retaliation, leading Matsuo to take his own life. His son and Nanase's childhood friend, Eiichiro Matsuo, was also driven to suicide. Tsukishiro allowed Nanase to enroll as an assassin on the condition that "if she gets Guest expelled, he will create an opportunity for her to receive an apology from Atsuomi Ayanokoji."

Kazuomi Hosen Male 1st-year Class D (Leader) His capacity for violence is equal to or greater than Kakeru Ryuen's. He possesses high natural intelligence and cunning, but is extremely arrogant and ferocious. He speaks in a delinquent tone, frequently using verbal abuse and provocations.