be fool!
These groups are very popular singers in Japan now.
Guy's one is called "Shuchishin", which means the sense of shame.
Girl's one is called "pabo"which means dumb bunny in Korea( "??").
The common point of these two is "a little bit fool".
They have became flourished from the TV quiz show
because they always answer funny&strange way that make people laugh,
I'm not sure whether it's on purpose or not but we enjoy a lot.