SDI Strategic Defense Initiative SEGA Master system MK-2000/Mark3, Working-f1001

This is SDI (Strategic Defense Initiative) for the SEGA Master System / Mark III (MK-2000). All contents are written in Japanese, and it is a Region-J release.

The cartridge is in working condition. The manual is original, with some damage on the surface. The box has a lot of damage, dirt, cuts, and dents all along the surface.