Also, three-story house with a garden in central Tokyo, if that's not wealthy I don't know what is. Unless the house eats all their income(shudders at what the property tax must be like...)...
Probably more of he didn't bring his male outfits when he went to Nanami's house (would be awkward if her dad saw boys' clothes in his house). And is buying groceries on the way back.
I'm gonna guess housekeepers are rare in japan, because where i live, they are pretty common, mostly because almost everywhere that isn't a port or a touristic place are just small towns with not enough jobs.
@daisaishi
My math teacher came up with that nickname, i wish i was Richie Rich levels of rich, scrooge McDuck pools of money, Bill Gate's levels of wealth. Maybe one day when i get a job or something.