Male. Close with Tsukasa (often called Weirdo 1 and 2). Has a great interest in machines and science. Quite sly, observant, and quick-witted. Purple short hair with light blue streaks. 3rd Year, Class C. Nene's childhood friend.

Female. Somewhat close with An. Long green hair reaching mid-shoulder. Timid, but tells the truth when it counts. 2nd Year, Class A. Rui's childhood friend.

Male. Close with An and Toya. Orange short hair with yellow streaks. A tsundere who is prickly but occasionally kind. 2nd Year, Class A. Ena's younger brother (Ena is the older sister, but Akito calls her by name and speaks informally).

Female. Close with Akito and Nene. Long black hair with navy blue two-tone ends. Bright, energetic, and quick-witted. 2nd Year, Class A.

Male. Close with Rui (often called Weirdo 1 and 2). Incredibly bright and extremely energetic. Yellow short hair with orange two-tone ends. Ends sentences with !!~ or !!!!. 3rd Year, Class C.

Female. Close with Mizuki. Brown bob cut reaching the nape of the neck. Prickly but a tsundere. Good at drawing (a hard worker). 3rd Year, Class C. Akito's older sister.

Male. Close with Akito. Hair is light blue on one side and navy on the other. Kind and calm. Reads books quite often. 2nd Year, Class B.

Female (presenting). Close with Ena. Calls Ena "Enanan." Pink ponytail. Sly and very mischievous. 2nd Year, Class B.

The person asking the questions. Presumed male. Only a voice comes through the speakerphone; the face is never revealed. Identity unknown.