The phrase "only in Japan" definitely gets overused.
But an advert that features a sexy lady, a fairly useless gadget and some very over-excited men - well, the phrase definitely fits on this occasion.
What you're looking at here is the Takara Tomy Beer Hour, which turns any can of beer into a draught drop. Well, it adds a bit of fizz and a head at the end at least.
Costing ¥1995 (about £15), the Beer Hour will go on sale in April.
There are no plans for it to go on sale in the UK as of yet (and we're guessing that there never will be), but you could always just add some Fairy Liquid to your can for the same effect.