As for the routine of being worn and then back again, there are several interlocking stories. The fifth teacher is as passionate as ever, astringent, doting on each other and a little bit aggressive, both the product girl and those with a lot of control can watch it. Gong relied on the card drawing system to draw an egg, and what hatched was their baby.
I only read story one because I wanted to see the progress between the two of them so much that I skipped it. The pace is tight and the author's writing is very good.