The author is not wrong when it comes to girls not wearing underwear as a set most of the time. My sister and I do it all the time because we're lazy. Although she's a normie.
Even this is more work than I put in. I guess you can say I have matching underwear. A cheap bra and equally cheap underwear from Costco totally match. Why else would they be right next to each other
Aaaah I like this manga a lot but it's such a pain waiting for it to get caught up to the non-serialized version. It's basically the exact same plot so far.
@uttanova probably something orie said, I'm not a girl, but that sounds very smilar to guys putting socks in their underwear to have a bigger bulge, also why just buy a bigger bra and put padding in it?