You'll Never Guess the Twist In This Tricky Bra Commercial

Japanese lingerie maker Wacoal has a surprise in store for folks who think their latest ad is just another cute face in a 'boost-up' bra.

Actually, that's exactly what this is, but, well. You'll see.

Sure, it's not the most original idea or the best executed of the bunch, but there's no denying it: Either sex sells.

Spoiler Alert: Don't look in the comments unless you want to get spoiled.