Fallen for a Reaper

what would happen if a mortal and a Reaper came together although There are rules between the both what's happens if they fall in love for each other as the Twist & Thrills come in place the myth of a human and Reaper hybrid are the Tails of the Grimm's is the legend true or is it a myth as the last three Grimm's previously before the last watch above them all trying to find out if the legends of the hybrid. so is legends true? find-out and this Tale of a female falling for a Reaper