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The Old Prisoner Lives in Solitude Oita Saikyou no Shuujin wa Kyou mo Ikinokoru
También conocida como: The Aged Strongest Prisoner Survives Again Today / The Strongest Old Prisoner Survives Again Today / 老いた最強の囚人は今日も生き残る / 늙은 죄수는 고독에 산다 · Oita Saikyou no Shuujin wa Kyou mo Ikinokoru · The Old Prisoner Living in Solitude · 老いた最強の囚人は今日も生き残る · 늙은 죄수는 고독에 산다 · The Aged Strongest Prisoner Survives Again Today · The Strongest Old Prisoner Survives Again Today · 孤狱狂徒
In the jail known as Solitude of Karaisman, trillions of prisoners are kept in brutal conditions. Somehow, a blind man named Argel Lastos has survived for decades, despite being one of the prison’s first inmates. Now, he’s determined to protect and train a child named Cero to turn his unrealized talent into a fearsome power, all while defending his friends from the desperate inmates. But, is the old man only doing it to save Cero… or is it for a far more sinister purpose?