Mafia is rife in America where assassinations are a regular occurrence on the streets. Inferno, a mysterious company, is behind most of these dealings through the use of their near-invincible human weapon, "Phantom." One day, a Japanese tourist accidentally witnesses Phantom's latest murder. Desperate to escape, the tourist hides in a secluded building. However, Phantom, revealed to be a young woman named Ein, and the leader of Inferno "Scythe Master" captures the tourist and brainwashes him. Given the name "Zwei," this once peaceful tourist is now a puppet of Inferno with no memories. Drawn into a world of lies, deceit, and violence, Zwei must fight to survive, hopefully to one day regain his memories and escape from this world where he is constantly on the brink of death. [Written by MAL Rewrite]

"The time of destruction is coming ever closer without a doubt. It cannot be stopped." To know death, to gaze at death, to face death. Makoto and his allies have grown through the many meetings and partings they have experienced. Their fight might not be for the sake of the world, but for themselves. Even so, they have continued to fight, believing that there are peaceful days waiting at the end of the battle. However, a boy says that destruction is the fate that humanity must shoulder. The boy they believed to be their friend tells them the truth of the situation without an emotion on his face. The season changes to winter. Makoto makes a decision in order to greet the spring that is waiting beyond... (Source: ANN)

Set over 20 years prior to the main One Piece story, this limited release OVA chronicles the confrontation between Gold Lion Shiki and Gold Roger as well as other events around the world around the time of the Pirate King's execution.

Long before Rikuo Nura was born, the legendary youkai Nurarihyon, leader of a "Night Parade of One Hundred Demons," fell in love with a human woman. Though the two would initially find happiness, a threat from the terrifying fox-demon Hagoromo Gitsune would get in the way of their relationship. In the present, Rikuo has taken his rightful place as the heir to the Nura Clan. While he has accepted his youkai side, he must continue to maintain the secret of youkai, a difficult task when faced with the Keikain onmyouji clan and his youkai-obsessed friend, Kiyotsugu. Even so, Rikuo will do what he must to protect those important to him. The reappearance of the sinister Hagoromo Gitsune marks the start of Rikuo's most fearsome trial yet. The frightening creature bears a personal vendetta against his family and will stop at nothing to see her dream come to fruition. The world stands at a precipice, an all-out war that will drag Rikuo centerstage. [Written by MAL Rewrite]