01. Frost is a pirate king. Sparrow is his captive.
02.
03. Sparrow has been captured and is being sold into slavery. As no one can control her, the slaverunners intend to let someone like Octavian buy her--i.e., someone who enjoys when his/her victim actually fights back. Frost gets her instead; he thinks his intentions are good, and she's (rightfully) convinced they're absolutely fucking not.
04. This would be hilarious if I switched things up, so let's say Sparrow is a barbarian warrior(ess), and Frost is her captive.
05.
06.
07.
08. continuation of the "Vampiric Circle" AU?
09. Frost is a Death Eater; Sparrow is a Muggle. That'll go well, I'm sure.
10.
11. An old girlfriend of Frost's dies, leaving him an inheritance he neither wanted nor knew existed: his kid.
12. Frost is a nobleman, and Sparrow is a governess. (Who's the kid!?)
13. Frost is a medieval nobleman, and Sparrow will do whatever it takes to make sure her family survives this winter.
14.
15. Sparrow is the leader of the rebellion instead of Selina Otrowski.
16.
17. Frost is a single father. Sparrow is his child's teacher.
18.
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22.
23. And now for something completely different: Sparrow is a Circle debutante, and Frost is a victor. (It's funnier if it's still him who's obsessed.)
24.
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28.
29.
30.
31. Sparrow is a hooker; Frost is the client.
32.
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35.
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37.
38. Sparrow is secretly the daughter of the former king. Frost is his successor (can be related to her or not, I don't care), and he's not going to let her contest his throne.
39.
40. Frost has to get married within thirty days if he wants to inherit his late father's fortune. He either bribes Sparrow into agreeing or outright abducts her.
41. Sparrow is Octavian's sexually unfulfilled trophy wife. Frost is her much more sexually compatible manservant (chauffeur/pool boy/butler/whatever).
42. Frost is a nobleman; Sparrow is his penniless, newly orphaned niece.
43.
44. Sparrow is a princess; Frost is her bodyguard.
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50.