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?
If you think of it as a way to frame 
those named in the letters,
إذا نظرتَ للأمرِ كطريقةٍ لإلباس التّهمة
،لأولئك المُشار إليهم في الرّسائل
Wenn die falschen Beschuldigungen es jemanden
anhängen sollten, passt alles zusammen.
Si lo hacía
para inculpar a otros del crimen,
Si lo hacía
para inculpar a otros del crimen,
puis impute le crime à la personne
visée par leurs accusations,
e abbia fatto incolpare ingiustamente gli accusati,
Se for para incriminar as
pessoas descritas nas cartas,
Если предположить, что его цель — 
изобличить людей из писем,