Mushroom family in another world

The story revolves around a single mother and her two children who are reincarnated into a different world, where they transform into mushrooms. Together, they set out to rebuild a village in the countryside, collaborating with the inhabitants of this new world. However, life in this alternate reality proves more complex than the mother had anticipated, as various forces clash. The mother and her children must do more than just adapt; they need to fight to survive in this challenging environment. For nothing remains beautiful and peaceful indefinitely. Sooner or later, tranquility will be disrupted.