You know, the intersection of religious figures and erotic fiction is a niche that's been explored in literature for ages, though it's definitely controversial. One title that often comes up in discussions is 'The Nun' by Denis Diderot—while not purely erotica, its 18th-century critique of convent life has some surprisingly sensual undertones that feel radical for its time. Modern takes like 'Sacred Hearts' by Sarah Dunant also dance around repressed desire in cloistered settings without fully crossing into erotica.
If we're talking outright nun erotica, 'Convent of Thieves' by Elise Blackwell leans into taboo fantasies with gothic flair. The genre walks a tightrope between titillation and blasphemy, so most works either handle it with satirical humor (think 'Chaucer’s Canterbury Tales') or lean into dark romance tropes. Personally, I find the historical context fascinating—how these stories reflect societal anxieties about power, purity, and rebellion.