Sailor suits might work when it comes to fighting evil by moonlight, but in an RPG? Maybe not so much.
Check out these cool GIFs by Sasha Mutch, which reimagine a few sailor scouts as fantasy RPG characters:
Sailor Moon, the armored cleric
Sailor Mercury, the mage
Sailor Mars, the ranger
You can check out more of Sasha Mutch's work here—including explanations for the classes picked in these GIFs.