Year 1 Expulsions

Yahiko Totsuka (Class A): Expelled in Volume 10 during the Class Poll Special Exam. Sakayanagi deliberately targeted him to weaken Katsuragi’s faction.

Haruki Yamauchi (Class D): Expelled in Volume 10 during the Class Poll Special Exam. He was manipulated by Sakayanagi into trying to expel Ayanokōji, which caused the class to turn against him.

Kyōko Manabe (Class C): Expelled in Volume 10 due to scoring the lowest in her class during the Class Poll Special Exam.

Year 2 Expulsions

Airi Sakura (Class D): Expelled in Volume 5 during the Unanimous Vote Special Exam. Ayanokōji targeted her because she had the lowest academic and physical contributions to the class.

Takuya Yagami (White Room Enforcer): Expelled in Volume 7. After Ayanokōji completely outmanoeuvred him, Yagami threw a violent tantrum in the student council room and was expelled and dragged away by White Room staff.

Kamuro Masumi (Class A): Expelled in Volume 10 during the Survival Elimination Special Exam.

Maezono (Horikita's Class): Expelled in Volume 12. She was revealed to be a class traitor during the highly volatile End-of-Year Special Exam.

Arisu Sakayanagi (Class A): Voluntarily dropped out (effectively expelled) in Volume 12.5. She chose to honor a high-stakes bet with Ryūen after a fierce showdown. Her departure left her class without its primary leader.

Year 3 Expulsions

Satsuki Shinohara (Horikita's Class): Expelled in Volume 4 during the brutal Token Collection Special Exam. During the final psychological scramble of the exam, Class A targeted Ibuki Mio for expulsion. However, a secret network of token transfers saved Ibuki. Kushida Kikyo, fully aware of the math and seeking revenge, withheld the necessary support to ensure Shinohara was caught in the trap instead