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.
The other is a former boss of an
assassin organization, Inmate Number 8.
والآخر هو الزّعيم السّابق لمنظّمة 
.اغتيال، السّجين رقم 8
und der andere ist Insasse Nummer 8,
der ehemalige Boss einer Assassinen-Gilde.
El otro dirigía una organización
de asesinos, el recluso número 8.
El otro dirigía una organización
de asesinos, el recluso número 8.
et le deuxième est nº 8,
l’ancien chef d’un groupe d’assassins.
L'altro è l'ex-boss di un gruppo di assassini,
il prigioniero Numero 8.
O outro é um ex-chefe de uma organização
 de assassinos, o prisioneiro número 8.
А второй — бывший босс организации
убийц, заключённый номер восемь.