Learned a new word today! In the context of cosmetics and perfume, a "coffret" is a box set with a bunch of different things in it.

Imagine thats the girl sui likes lol

It absolutely looks like it is, the manga is supposedly a love square so it makes sense.

And if you look close at the dating app profile of the girl she matched with, she's into collecting shrine stamps, just like Sui's crush.

The "real world of horrible jobs" montage here is downright bone-chilling. Good stuff.

Nisetan: Isetan, real fancy department store. Not sure what "Bianba" is a play on, though.