Hmm well, that was prob the fastest I've ever seen a person hired lmao. For the point of the salary, 530,000 yen a month is pretty good. Sure when the conversion between yen to USD is low due to getting more bang for your average American dollar going into yen. Just a simple search and looking into it, the average yen annual for salary people are about 3.6 mil yen which I believe is a little under 40k USD. That is a little more than minimum wage here but over there it is average. So for her to make 200,000 yen more is a very good plus. Since we don't know their rent, we can just search and roughly estimate that for a somewhat decent one-bedroom apartment is around 60,000 yen, they both still have a decent cushion per month. And I'm sure the author meant yen and not USD when talking about the salary. I highly doubt someone who makes 300,000 USD a month would stay in that kind of apartment with those living conditions.