I vaguely remember the name from long ago. Nothing specific comes to mind.
It never got a official English release so this is a good thing.
Like the other Wonderboy sequels this is a bloody good game.Monster World IVPlatform: Wii Virtual Console
Price: 900 Wii Points
For the first time outside of Japan, experience the final chapter in the classic Monster World series! One day, a young, green-haired girl names Asha, hears spirits calling out for help. Upon hearing the spirits, she leaves her village and sets forth on a grand adventure into Monster World. One her journey, she comes across a small blue monster named Pepe and a magical Genie. Together they must fight through Monster Land to defeat evil and save the troubled Elemental Spirits.