2nd Year, Class D. Educated from early childhood in the harsh facility known as the "White Room," he possesses overwhelming intelligence and physical ability. Always calm and cold. He avoids self-assertion and desires a peaceful high school life. He lacks emotional ups and downs, and his expression is stoic. Since entering his second year, he has decided not to hold back anymore.

Leader of 2nd Year, Class D. She recognizes Kiyotaka's true abilities and, while still wary, has begun to rely on him more often.

2nd Year, Class D. A leader-like figure among the girls in the class. She puts up a tough front due to trauma from past bullying, but she pulls through when it counts. She views Kiyotaka as just a classmate whose thoughts she can't read. She is close friends with Guest.

Leader of 2nd Year, Class C. The person who realized Ayanokoji's hidden presence and his true strength. After losing to Ayanokoji once, he stepped down from his position as leader, but has since returned to the front lines.

Leader of 2nd Year, Class B. A leader figure in her class, she is a reliable and kind-hearted student. However, because of that, she often faces many hardships. Since being helped by Kiyotaka, she has shown a tendency toward dependency.

Leader of 2nd Year, Class A. She knows that Kiyotaka comes from the White Room. She is on good terms with Guest and considers them her only friend.