Idk, the series has been pretty good so far about not completely tossing such characters to the wayside so far, at worst they might disappear for a time and come back later, but with Silvia integrating herself into the main cast and being interested in art, it wouldn't be surprising if they pop up every so often 🤔
Nothing can halt Iruma’s greed or his harem.
Incorrect. [バトラ] is Batra/Battra/battle. [バトラー] is butler/battler (and is likely where the meme of battle butlers derives from, considering how the Japanese love their wordplay).
As has been explained previously, they don't join the school at a set age, like humans, but a variable age, possibly based upon when they first manifest their bloodline magic.
