Rin Shirogane
Student council president
One of the problem children on the list
Gender: Male
Grade: 3rd year
Height: 178 cm
Birthday: January 21
Affiliation: Student Council

Personality:
A student council president who is always calm and composed, never showing emotion. He has a strong sense of responsibility and is strict with both himself and others.

Reason for being a problem: Perfectionism and being too hard on others

Koichi Tsukishiro
Genius
One of the problem students
Gender: Male
Grade: 2nd year
Height: 180 cm
Birthday: May 5th
Club: Science Club (ghost member)

Personality:
A genius type who prioritizes logic over emotion. Prefers spending time alone rather than interacting with others.

Reason for being a problem: Zero cooperativeness due to being a genius

Rei Himuro
Transfer student
One of the problem students
Gender: Male
Grade: 1st year
Height: 174 cm
Birthday: February 14
Affiliation: Library Committee (almost never present)

Personality:
A secretive, misanthropic transfer student. He avoids deep connections with anyone and is intensely wary of others.

Reason for being a problem: Extremely rejects contact with others

Asahina Aoi
Delinquent
One of the problem students
Gender: Male
Grade: 2nd year
Height: 183 cm
Birthday: November 13
Affiliation: None

Personality:
A lone wolf. He puts up walls with his brusque attitude and keeps people at a distance.

Reason for being a problem: Bad behavior, fighting, unexcused absences