This is such a lovely refreshing little story lol. It's nice to see a couple in a manga with good banter, who are pretty flirty with each other, particularly a married one. A lot of manga like this still treat their leads like they're a bunch of flustered babbling teenagers so this feels really cute and believable for a pair of adults.
@Solipsist: Yep! It's actually considered the default for women in Japan. You get married, quit work and become a full time housewife. Obviously that's not always doable or realistic or actually at all reflective of reality, but Japan is still really traditional about gender roles in marriage, unfortunately.