Or maybe Parsee too, since... well, she’s a mama too!.. (to bad we cannot include Reimu there again, because...)
Whether the artist cares or thinks it's a problem, who knows, but Parsee is not the same "generation" of mama. Her child-Yuugi was there in the kindergarden with these moms, so she's more like a grandmother volley character now. Of course, she still works in the kindergarden 15+? years later..
In other note, I wonder if this is even "gensokyo" and whether any of these characters are "youkai". They still have their animal/vampire features, some of them, but it's not like any of them do anything supernatural in this comic.