The Go-Home-Club members are locked inside the music prep room.
The Go-Home-Club president, Shikishima Ritsu, is nowhere to be found. Eventually everyone grows paranoid and begins looking for the culprit.
That's when Kensuke proposes that start introducing their true selves.
In order to learn more about each other, they begin prying into the darkness within their hearts.
There wasn't anyone else 
at the Tower, either.
لم يكن هناك أحد آخر في البرج أيضاً
Und im Turm war auch niemand.
Y no había nadie más en la torre.
Tampoco había nadie más en la torre.
Et la tour était déserte.
Anche perché alla Tower non c'era nessun altro.
E não tinha mais ninguém no prédio.
Да и больше никого в башне не было.