Also known as: 下ズレ, 胸罩下拉
A Bra pulled down beneath the Breasts to expose the Nipples.
Not to be confused with a Shelf Bra, a minimal bra that does this by design, nor a Cupless Bra.
If the bra is lifted up use Bra Lift instead. If the straps are being pulled, use Strap Pull or Strap Lift instead.