No real story behind this, it was just fun to do.
They're wearing what amounts to the bare minimum for social acceptability in this particular region. They probably just got out of a swim/bath.
(The text under the bar reads 'No drinks under 10 [years old]". With the low average life expectancy, they tend to do things a little faster than humans might.)
(There's a lot of anatomical stupidity here, but I like the way the lines move, and it was fun to color.)