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.
Damn, I wanna punch you so bad right now...
...سُحقًا، أريد لكمك بشدّة الآن
Verdammt, am liebsten würde ich dir
grad richtig schön eine reindonnern …
Maldita sea, tengo tantas
gana de golpearte…
Maldita sea, tengo tantas
gana de pegarte…
Sérieux, j’aimerais bien aller
t’en coller une tout de suite,
Maledizione, adesso vorrei proprio
tirarti un pugno.
Droga, eu queria tanto 
bater em você agora.
Блин, мне так хочется тебе вмазать, а я...