After leaving Al manor, I take Anni, Al, and Eliz with me to go back to my mansion.
Along the way, I found the houses of the noncombatant people already being built beautifully and set corresponding to the design I already provided to them before. Not only that, I found that they already installed the water system and electricity in their houses as I saw some of the young women leisurely watering their respective garden. They use the water hose to watering their garden under the bright lightbulbs on their house's terrace.
'Hmm, it seems they're a fast learner. Or maybe it's the same case as my experience? Maybe after getting their status boost by Dragonkin skill, their INT status somewhat helping them to learn anything faster. That's quite possible~'