Introducing tough-as-nails detective Boyle Samejima, who has been tasked with a mission on the isolated Ogasawara Islands. His new colleagues include a puzzling young lady and an unexpected partner: a dolphin?! Brace yourself for a thrilling tale of crime-fighting that combines unorthodox elements of investigation, sea-bound adventure, and unexpected romance. Get ready for one wild ride with this unforgettable hard-boiled cop story that defies all expectations!