The tragedy unfolds. A mysterious fate has befallen Mumei and his classmates are the suspects. What has happened to our hero? And what is his connection with the new boy in class: Shuu Rinu. A line has been drawn and the truth about who is truly friend or foe comes to light. The stage is set and the curtain has been raised, it's time for the show.
Kou-chan and Mumei-san have the top grades.
كو-تشان ومومي-سان يملكان أعلى العلامات
Kou-san y Mumei-san
tienen las mejores notas.
Kou-san y Mumei-san
sacan las mejores notas.
Koi et Mumei ont toujours eu
les meilleures notes.
Kou-san e Mumei-san hanno
i voti più alti della classe.
Kou-chan e Mumei-san 
tinham as melhores notas.