15 parts Ongoing Kei is an orphan raised to be the weapon of the mafia; he is trained to kill and assassinate for the sake of the family. After several years of loyalty, he was tossed aside like disposable garbage. Unfortunately for the mafia, Kei survived and took revenge against them, which successfully ended.
Fulfilling his goal, he surrenders to the cops, ending up in jail for manslaughter and sentenced to life in prison. Wishing his life would end, he pleaded guilty and asked for death row, which the judge agreed to. Although he looked forward to death with certainty and eagerness, life gave him another path, a path he himself never knew existed. He ends up somewhere beyond belief, meeting things and creatures that he never thought would even exist. Would he live? Would he die? Only fate could tell.