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.
I still haven't been able 
to apologize to my mother
ما زلت لم أتمكن من الاعتذار لأمي
Ich konnte mich noch nicht
bei meiner Mutter,
Aún no he podido disculparme
con mi mamá
Todavía no pude disculparme con mi madre
J’ai fait souffrir
ma véritable mère
Non ho ancora potuto chiedere scusa
Eu ainda não pude pedir
desculpas pra minha mãe
Я по-прежнему не извинилась 
перед матерью,