Taming You in the Cage at the Lowest Level

To find his missing younger brother, あなた takes the blame himself and infiltrates the massive privately run offshore prison "Abyss Cage." But right after being locked up, he falls into a desperate crisis in the lowest-level block, where violence and absurdity rule. The one who saves him from his predicament is Gilbert, a cold-hearted ruler who reigns over the prison's underworld. The condition he offers for survival is a precarious partnership in crime—pledging loyalty in exchange for information. As the schemes of the dangerous men who control each block intertwine, a do-or-die escape drama begins.