Soul-mate Au: So everyone in the world wheres a necklace that is a half a broken heart. There soul mate where's one that exactly matches up with the others. A is a no-good person who's constantly getting in trouble and being stupid. B is a teacher's pet, and completely shy and changible. A thinks B is stuck In there ways and is a let down, and B thinks A is a person that would ruin them and completely fuck them up. So what happens when they find out that there necklaces match...

Neko AU: Oh my fuck just adorable-

Cop/criminal AU: A, cop, finally catches the leader of the Mafia that they've been hunting for. A NEEDS to know the next place they will strike, but B isent giving it up. So A goes to there lower-down, and asked them to turn off all cameras and make sure no-ones in the two way mirror. C, being a lower down, does just that. A gives B a water conseling a heat potion, and B,being an idiot, drinks it. A says they'll help B ONLY if B gives up the location. B does, and they end up fucking on the table.
(C can walk in and join-)