Hajime, Jyugo, Uno, and Nico head to Building 5 to find out about Rock and Yamato.
Jyugo and the others fall into a trap and end up in level 1 underground cell.
There, they find the captured Upa and Liang.
Meanwhile, Hajime is captured by Inori and is escorted to the underground cell where Samon, covered in injuries, is restrained.
Samon reveals who’s behind the incident.
It is no other than Enki Gokuu, the former Building 5 supervisor who became a criminal causing havoc in Nanba Prison in the past. He is also Samon’s brother.
But then again, even you know 
what those cuffs can do, right?
ولكن حتّى أنت تعرف ما تقدر 
تلك الأصفاد على فعله، صحيح؟
Tja, und dir dürfte klar sein,
wozu diese Fesseln gut sind.
Sin embargo, sabes lo que pueden
hacer esas esposas, ¿no?
Sin embargo, sabes lo que pueden
hacer esas esposas, ¿no?
Même toi, tu dois savoir
à quoi servent ces menottes.
Beh, sai anche tu cosa possono fare
quelle manette, vero?
Mas de novo, até você sabe o que
 essas algemas podem fazer, não?
Ну, полагаю, ты должен знать,
на что способны эти наручники, да?