Oshiri Tantei: Cosmic Front

Butt Detective joins Mikku to investigate a missing Spinosaurus fossil at a dig site, where clues hidden among ancient remains turn paleontology into a genuine mystery. Solving the case means understanding what researchers can learn from bones that have survived for millions of years.

Another challenge reaches far beyond Earth when a great space thief sends a riddle connected to a rocket launch. As Butt Detective follows the clues around the mission, the investigation opens a window onto rockets, space exploration, and the science required to leave the planet safely.