Wonder Momo is an action game developed and published for the NEC PC-FX. Details about the specific gameplay are scarce but it is likely to involve the titular character, Momo, in various action sequences, possibly including platforming, combat or puzzle elements.  While not widely recognized internationally, Wonder Momo might have unique aspects that are cherished by PC-FX enthusiasts.  Information regarding the specific plot and game mechanics of Wonder Momo would require more detailed research into PC-FX game archives and databases.

Wonder Momo (Japan)

Walkuere no Densetsu (Japan)