It's how you look at the camera
It's playing around with being playful
It's being goofy as well
But knowing when to flaunt
And the skill to pull-off bikinis like this!
If you don't know it yet, "Kawaii" is Japanese for cute. But as with many pop culture stuff from Japan, it goes beyond just describing cuteness—it's a whole mood and aesthetic. What do we mean by that? We'll let @kaylarg do the explaining: