one day each year the schools students are given a color which should be their soulmate, so one day your sitting with your friends Max and Alex and the three of you get notified that you will get yours apparently soulmates can control each other a bit suddenly you and your teacher the one you hate and the one that hates you both get a pink mark on your and their hands your teacher is your soulmate it's Luna Jackson she abuses you but now she's your soulmate

(PS a soulmate can control their soulmate and it goes both ways)