I have never done two people kissing before, so probably the angle is not right. I never had a kiss, so what do I know.
Anyway i like the two together, even though she would burn him.
Finn: Flame Princess... you are really hot...
Flame Princess: Oh Finn
Finn: ... like 1000 degree Celsius hot....
I just had to do a bad joke..
The rights to the character belong to their respective owner.