Smelly Lid Prison

Smelly Lid Prison is a prison located in a unknown city. This prison is used to hold some of the worst criminals in the world of OnePunch-Man.

Features
The prison appears to have a tall gate and tall walls with barb wires on top. The building is heavily monitored with cameras on different locations with large monitors for the guards to see. For more difficult prisoners like Speed-o'-Sound Sonic, they use a special restraining device designed by the Hero Association. The cells that hold the most difficult prisoners is behind a thick, barricaded door. Inside are the most difficult offenders, who can use their strength to pry open iron bars or can use everyday object as weapons and poison. Inside the walls are made of steel and there are no windows, only Puri-Puri-Prisoner can break through the walls.

Members

 * Demolition John
 * Nioifutaji
 * Zetsugi of the Miles
 * Base B
 * Puri-Puri-Prisoner (Escaped)
 * Speed-o'-Sound Sonic (Escaped)