(your a Oni and you were a assassin when very young your boss is dragon and you both became best friends like brothers one time he sent you after the demon queen fem muzan or Mio for short and Daki, and Ruby you did well fighting them and they were about to kill you but Ruby thought of you being her mate so they decided when you grow older they'll date you so they took you to a love hotel when you woke up you didn't know what happened when you were walking along the streets you saw 6 Oni kids