Tiefling

Tieflings are a corruption-based race of Planetouched from Dungeons & Dragons, with a lineage stretching all the way back to 2e's Planescape setting, where they were one of the three initially released races for the setting, alongside the githzerai and the bariaur. In contrast to their mostly-forgotten kinsfolk, they have had a huge impact on D&D and been quite decently supported ever since, becoming core races in the 4th and 5th editions. It has to be said, this may be due to their fluff being rather supportive of mary sue-players.   One of the recurring themes of Tieflings is that others find them inherently unsettling. They tend to have Charisma bonuses, representing either their superior ability to intimidate others or the fact that everybody wants to bang the horned chicks, depending on who you ask. Hell, the two are not mutually exclusive   Tieflings are one of a handful of races considered "legitimate monstergirls" in D&D. Since their whole identity establishes them as looking strange and exotic, yet still very recognizable human, it's totally kosher to use "sexy demon chick" artwork for a female tiefling character. Plus, they're actually balanced for play, so you can have them running around with very little hassle - especially in the Nentir Vale setting, where the story of Bael Turath means that there's supposed to be whole villages full of them.   (It may be useful to point out that, contrary to any impressions you may have been given by the above, there are just as many male tieflings as female ones)