@LilyScentedBubbleBath yup I agree.. A few times we see korra shy and girly and embaressed etc- but Asami is always in control and assured.. If one of the 2 had to be bottom, it would be korra.
I think both personalities suit each other well being more or less stoic super strong fighters who don't talk much. I still ship these two a lot even if there isn't that much