After watching Butler Walter leave the second floor, Klein entered the dining hall. As he looked around, he realized that the servants were much more energetic than usual. They even felt a little agitated.
Indeed, Life's Cane also affects humans, but it's not that ridiculous. It's at a rather normal level and still within acceptable levels… According to this logic, the servants' reproduction abilities would definitely increase. The only problem is that they don't have spouses, so there's no way to show that…
Eh… Will Mr. Butler's act of returning home today result in him having another child in nine to ten months… His wife is almost 40 years old. It's a little dangerous for her to have children at this age. Of course, as the other party in the copulation process, the effects of Life's Cane would pass over to them. There shouldn't be any problems…