‘Let’s make a public bathroom.”

For example… a bathroom.

“A public toilet? What’s so important about that?”

“The environment needs to be clean to avoid the spread of diseases, but Rheinperle is too dirty at the moment. On top of that, the residents don’t wash enough. It’s the perfect breeding ground for disease.”

Seon-Hyeok’s face fell when he heard Julian question him with a sullen voice. He almost felt ashamed of himself. After all that thinking, the best idea he had come up with was a bathroom.

However, if he was able to establish proper bathrooms, they would not only be able to improve the sanitary conditions of the village, but also secure a constant supply of fertilizer for farming. This was the full scope of the breakthrough he had envisioned.

“It’s my first time hearing such a thing.”

“It was common knowledge where I lived. Once you gather enough excrement, you can cover it up with something like straw to allow it to ferment and later use it as compost to help with farming.”

He wasn’t an expert on farming, but he could clearly tell that agriculture in this world was rudimentary. Even as he looked around, he could see too much land idling and not being put to good use.

“Harvest yields decrease if you exhaust the earth...