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Sanbe Kei of "Boku Dake ga Inai Machi" returns with yet another thriller! One rainy night when he was five years old, Senri's parents fell victim to a murderer, and his twin brother became missing. Now a high school student, he swindles people with the help of some friends, all while thinking of revenge. With the culprit's scar as his only clue, he will do everything to end the life of the one who destroyed his family!
We struggle to live because we have hope. We try our best to be happy because there is someone whom we should protect. We believe in tomorrow and walk forward because there is a person in the far off distance. An older brother and younger sister who spend their days waiting for their beloved mother. A checkered fate suddenly visits the older brother, who is thinking of his sister. In the middle of a downpour of rain, the "story" begins.
Clad in a blood-soaked coat and with no destination in mind, a young boy named Reto wanders into an Ainu village amidst a blizzard, whose residents provide him with much-needed shelter. All he has are two things: the memory of his mother dying before his eyes, and an ancient hunting knife without a blade...