Phantom: Requiem for the Phantom (2009)

In a gritty underworld plagued by mafia violence, Inferno operates behind the scenes, utilizing its lethal asset known as "Phantom." When a Japanese tourist inadvertently witnesses a murder committed by Phantom, a young woman named Ein, he is thrust into a deadly game. Captured and brainwashed by Inferno's leader, Scythe Master, he is renamed "Zwei." Stripped of his past, this former tourist must navigate a treacherous landscape of manipulation and bloodshed, all while searching for a way to reclaim his identity and break free from the relentless cycle of violence that ensnares him.