Kotoko and Kuro discover where Rikka, his cousin with the same powers, has been living since their last encounter. They go to investigate the apartment, which has a grisly history.
so they determined that his 
suicide was done impulsively.
.لذا حدّدوا أنّ انتحاره كان اندفاعيًّا
Sie gingen letztlich auch
von Selbsttötung aus.
Ils ont conclu
à une pulsion suicidaire.
abbia concluso che si sia tolto la vita 
in preda a un raptus.
então concluíram que
foi um suicídio impulsivo.
Их вердикт —
спонтанное самоубийство.