^I'd say it's actually less about her family and more about Tomoko herself becoming utterly deplorable for a while, especially when she started deceiving her only existing friends and pretended a random schoolmate was her boyfriend, which really lowered my opinion of the manga a lot, although it has been working hard to leave these dark times behind. Still, that part is a big reason why my rating for this manga will probably never rise back to where it was at its start.