Just a note, the "flat chest" and "no breast" tags have now been merged into natural chest, which also works for pics like this:
This thread has become mostly women with no implants and flat/lean chests in general, but if someone also wants to make a dedicated tag specifically for noticably empty space in their bra cups, like this:
you can.
Oh shit! We all know Colette’s pecs were fucking unreal!
Oh shit! We all know Colette’s pecs were fucking unreal!