Fantasy Zone II - Opa-Opa no Namida is a sequel to the original Fantasy Zone, released on the Sega Master System. The gameplay would again feature side-scrolling shooting action, likely with new enemies, weapons, and levels.  The Japanese title translates to "Tears of Opa-Opa," hinting at a possible narrative element or change in tone.  Sega likely developed and released the game in Japan.

Fantasy Zone II - Opa-Opa no Namida (Japan)

Fantasy Zone (Japan)