Benizakura, a Tosa dog finds himself waking up in a lab, He was once a legendary fighting dog and the world's strongest male. He hated dog fighting and wanted to end his life but he finds himself in a facility where there's equipment, Then suddenly he can hear everything and his sense of smell was sharpened somehow and he feels stronger and younger than before. He doesn't know where he is but he's definitely alive

Benizakura: he gets up and sniffed his surroundings