Shadow Master -Gekka no Musou Geki

In the desolate slums known as the "Lost Area," a young boy named Salt, who is his own doppelganger, has lived a life of persecution. His isolation was broken by the kindness of a girl named Rakuna, but their happiness was short-lived. A swarm of monsters suddenly appeared, slaughtering humans one by one, and Rakuna was brutally murdered before Salt's eyes. Consumed by despair and rage, Salt's dormant power finally awakened. He meets Hakua, a mysterious girl who holds the key to altering the future, and travels back in time to reclaim everything he lost. Driven by a desire for revenge against the monsters and the need to save the one he loves, Salt embarks on a journey to reclaim his past. The legend of a kind-hearted "monster" boy has begun. This story takes place in a world where a group of monsters has descended upon the Lost Area, slaughtering humans without mercy. Salt, a young boy with a troubled past, finds himself at the forefront of this chaos. His life is forever changed when Rakuna, the girl who saved him from his loneliness, is brutally murdered in front of him. Consumed by anger and a desire for revenge, Salt's dormant power awakens, and he sets out on a perilous journey through time to reclaim everything he lost. Along the way, he meets Hakua, a mysterious girl who holds the key to altering the future. With his newfound power and determination, Salt is driven to exact revenge on the monsters and save the one he loves. As Salt navigates this treacherous new world, he is forced to confront the harsh realities of his existence. The monsters that have taken over the Lost Area are a constant threat, and Salt's desire for revenge against them grows with each passing day. His journey is not just about avenging his loved ones, but also about uncovering the truth about his past and the mysterious girl who holds the key to altering the future. With each step, Salt's determination to reclaim his past and protect the one he loves only grows stronger.