Once again love the shading
First of, as you already noted, the pose is awkward. It should be probably facing forwards, otherwise the strength of the water might make it fall. Also I don't really think you pulled off the water effect. Water is usually more transparent, it looks almost solid here, but that probably is because of the pressure of the water. I'll give that the benefit of the doubt, though you should try practicing water in a river or waterfall, that's how water looks like most of the times.