Animastar GB, a Japan-exclusive Game Boy Color title, is a likely action or adventure game based on the name. The limited information prevents a detailed description of the gameplay, storyline, or developer.  The 'GB' suffix simply denotes its Game Boy Color platform.  Without additional sources or reviews, its specific mechanics and story elements remain unknown. It is likely a less well-known title with limited information available in English sources.

Animastar GB (Japan)

Amogus: Sus Version