Naofumi wakes up in a strange prison to find him and his party at level 1, and Filo missing. They start to raise their levels in order to escape, but things quickly turn against them when a dangerous monster suddenly appears…
After years of searching, I think 
this is the most likely place.
بعد سنوات من البحث، أعتقد هذا أكثر مكان مُرجّح
Nach meiner jahrelangen Suche
Tras años de exploración,
Tras años de exploración,
Après des années d’exploration,
Dopo tutti questi anni passati a cercare,
Depois de tantos anos, aqui é
onde há mais possibilidades.
После долгих лет поисков