With his condition rapidly deteriorating, Takuboku tasks Kyousuke with tailing a suspicious man they saw at the church. Takuboku is certain that a single criminal, Accuser X, is the true culprit behind the string of crimes involving accusatory letters which have exposed various social issues. Who is Accuser X, and what is that person's true objective?
Here, in this room, you found people 
driven to despair by their grievances.
هنا، في هذه الغرفة، وجدتِ شخصيّات وصلتْ
لحالة من اليأس من شدّة الظلم
In diesem Raum hast du verbitterte Leute
in ihrer Verzweiflung gefunden,
Aquí encontrabas a gente desesperada
y que guardaba rencor
Aquí encontrabas a gente desesperada
y que guardaba rencor
Dans cette pièce même,
Tu, in questa stanza,
Aqui, neste confessionário,
Здесь, в этой комнате, вы находили
людей, доведённых до отчаяния.