Most raw sapphires and amber are tied to main story triggers. If you can't find them, keep progressing the narrative rather than aimlessly searching. Catching the Loach:
It sounds like you're referring to a potential issue or bug in the game Shin Chan: Shiro and the Coal Town — possibly a crash, glitch, or progression blocker. Unfortunately, without more specific details about the problem (e.g., platform: Switch/PC, error message, where it happens), I can’t give a direct fix.
Happy gaming, and enjoy your summer with Shiro!
If you are looking for a "fix" in terms of how to progress or optimize your experience, the game revolves around a loop of resource gathering and social interaction. 🎣 Mastering the Rural Life (Akita)
The game uses a quest-driven system where Shin-chan assists characters in Coal Town to repair infrastructure:
