All Things Balanced Grocery Store

The Balance of All Things Grocery Store, Cheng Mo discovered a grocery store called "The Balance of All Things" on a rainy night. The owner Qi Tianheng told him that only barter for goods was accepted here, and the exchange must follow the universal law of "equivalent exchange". By chance, he became the store owner. "This grocery store is only open from Monday to Friday. Don't ask why, because the boss also needs a holiday!"