Amo-kun

"My son Mamoru is called "Amo-kun" by his younger cousins. Mamoru and I went camping but couldn't get into it, so we went for a walk in the forest. After dark, I returned to the campsite with a tired Mamoru on my back to find..."

This story depicts the other world that lurks in the everyday life of this family!
(Source: Kadokawa, translated)