The lab maintenance is finished and the system comes back online. The police come to the island, but the investigation has made no progress. At last, however, Saikawa solves the mystery of the locked room and prepares to confront the culprit.
Even when I lost my parents, I had you.
.حتى عندما فقدت والداي، كنتَ موجودًا بجانبي
Ich habe zwar meine Eltern verloren,
aber ich hatte immer Sie.
Aunque perdí a mis padres, 
estuviste conmigo.
Aunque perdí a mis padres, 
estuviste conmigo.
Quand j’ai perdu mes parents,
vous étiez là pour moi.
Pur avendo perso i genitori io avevo lei,
professore.
Mesmo perdendo os meus pais,
eu tinha você, Saikawa-Sensei.