A mysterious transfer student on campus,
Every time she crosses out a person's name, someone dies mysteriously.
Who is Charlie the Bearded?
A mysterious girl lands in the laboratory, who will be the first test subject?
Can the campus detective society solve the case in one fell swoop and expose this terrorist conspiracy?
One of the detectives, Rococo, was kidnapped, and the young detective team was in decline day by day.
What is the mysterious X3917...