Night fell, and cooking smoke rose from every household in the quiet little village.
After dinner, Wenren Luoshui and Yunjian said they were going out to play, but they actually slipped off to the cowshed to see Lang Ling.
The cowshed was poorly lit, but the atmosphere inside was warm.
Before being sent down to the countryside, Lang You had been a renowned old professor at Kyoto University.
After arriving here, Lang You discovered that his young grandson, Lang Ling, was very interested in the things he used to work on.
He had studied mechanical engineering abroad and loved delving into research.
Seeing Lang Ling's interest in the drawings he had secretly hidden away, he gave the boy lessons every evening.
Lang Ling was fascinated by these things he had never encountered before and did his utmost to commit everything Lang You taught him to memory.
Wenren Luoshui and Yunjian used Invisibility Talismans to sneak over to the cowshed.
They knocked on the door using their agreed signal. Hearing it, Lang Ling went over to let them in.
Lang You was a kindly old man. Knowing that all the good things his grandson brought out each day came from these two girls, he was deeply grateful to them.
"Brother Lang, Grandpa Lang, we've brought you some food."
As she spoke, Wenren Luoshui took several new Storage Rings from inside her clothes.
Over the past few days, Lang You had learned a little about these rings and knew that such a tiny ring could hold a great many things.
In truth, he rather wanted to take one apart and study it. But first of all, it was not his, and he could not secretly dismantle it without its owner's permission.
Besides, Wenren Luoshui had been helping them without asking for anything