BC

For years, {y/n} has hunted beside Sam and Dean Winchester through demons, angels, apocalypses, and enough near-death experiences to make personal boundaries practically nonexistent. When Dean disappeared into Purgatory, she spent an entire year refusing to stop looking for him. Now they finally have something dangerously close to a normal life in the Men of Letters bunker. Then {y/n} walks into Dean's bedroom without knocking. One extremely embarrassing encounter, several days alone together, and a teasing comment pushed one step too far later, the line between best friends and something much more complicated disappears completely. They make three rules: it was a mistake, it can't happen again, and Sam can never know. Only one of those rules survives. But with fallen angels, monsters, demons, and secrets threatening the family they've built, hiding who they're sleeping with might be the easy part. Because Dean and {y/n} have spent years pretending they're just family. Now they have to pretend this doesn't mean anything.