Your OTP goes out camping in the woods one night. Suddenly, they're attacked by a strange creature, and although they manage to survive, person A is left seriously wounded, although later on they get better.

 As time passes, person A is acting in a strange unusual manner, and person B decides to investigate. Afterwards, they discover a shocking truth: A was bitten by a werewolf and soon will turn into one. B, heartbroken, has to do whatever they can to protect themselves and A from harm.