Gekikame Ninja Den is a Nintendo Entertainment System game released in Japan. Specific details about the game's plot, gameplay, and developer remain unknown.  The title suggests a ninja-themed action game, typical of several games available for the NES.  More information would require researching Japanese gaming databases and archives.

Gekikame Ninja Den (Japan)

Gegege no Kitarou 2 - Youkai Gundan no Chousen (Japan)