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?
Do you remember the case where 
Hoshino Tatsukichi was murdered?
هل تتذكّر قضيّة مقتل هوشينو تاتسوكيتشي؟
Erinnerst du dich an den Fall,
bei dem Hoshino Tatsukichi ermordet wurde?
¿Recuerdas el caso del asesinato
de Tatsukichi Hoshino?
¿Recuerdas del caso del asesinato
de Tatsukichi Hoshino?
Tu te souviens du meurtre
de Tatsukichi Hoshino ?
Ricordi il caso in cui è stato ucciso Tatsukichi Hoshino?
Lembra do caso do assassinato
do Tatsukichi Hoshino?
Вы ведь помните убийство
Хосино Тацукити?