That's sweet. The girls went looking for swimsuits so they could appeal to their crushes, but then it became a whole family outing instead.
It's really wholesome how the sisters are all there for one another, and the series is just as much about them supporting each other as it is their love lives.
I'm probably reading too much into it but after seeing the colored pages at the end there, is there some pretty bonkers background circumstances for all of them having different hair colors? We've seen the mom... One of them at least