Updated Plot Dump

[ Best Friends Forever ]
Character A is an assassin who has been hired to take out a high-profile target, character B. But things get complicated when A realizes that B is a childhood friend of his and as they rekindle their friendship, A doesn't know how to go through with the murder.

[ Rivals ]
Character A and B are assigned to a case involving a serial killer, and their different approaches to the investigation cause tension between them. While the two argue and fight, they are a powerhouse crime fighting duo and the more cases they work, the closer they grow.

[How Bad Could I Be]
A superhero and a villain are constantly fighting each other, but when a new threat comes and threatens to destroy both of their lives, the two team up and their lives inside and outside of their masks are permanently changed.

[Unwanted Cargo]
Character A is piloting a cargo ship when Character B is discovered to be a castaway on board, who is a criminal in hiding. While Character A's first instinct is to turn them in, Character B pleas to let them stay in hiding.

[Alliance]
Character A and B are princes from rivalling kingdoms. While both kingdoms are fundamentally different, to keep peace the two princes marry. Character B, who is stuck with Character A in an unfamiliar kingdom, is not happy with the arrangement. I imagine this being a little enemies-to-lovers with thier walls being broken down when seeing the other prince really isn't that bad or different from them.

[Mechanic]
Character A is an android sent in for scrap. Character B is a mechanic and fixes the android instead, finding that A has way more personality than your average droid.

[Following Orders]
Character A is an android developed as a solider for a futuristic military. Character B does not like androids and does not want to work with one, but after the two work together, they find out Character A has some programming quirks that gives it more than a personality.