C168 Calculating in Chaos

As the saying goes, there is a sitting position, a standing position, and sitting is not just a human movement, but also a large amount of etiquette, whether it is long kneeling or sitting, there is a meaning to it.

The chair was just a careless mistake of a human. Even if there were no chairs, chairs, or legs, even if there was no chair, humans still had a straight back.

In this era