I'm Your Soulmate Dickhead

In this AU everyone has a destined soul mate. If you write something on your arm, whether it be lesson notes, a random doodle or an actual message for your soulmate it will appear on their skin also in the same location and vice versa. Laws and Governments are based on this 1 in 55 chance, Fewds are fought, Death has come, Tears have fallen over this unexplained phenomenon known as 'The Angels' message'.
Certain rules apply to this but they shall be later explained in our story.

So, meet our main character Eren Jager, a 15 year old, "gay", High school student. He had yet to meet his soulmate and so instead of waiting like most he began dating his best friends big brother Levi, Levi had also not found his soulmate and had given up looking, and found himself quite happy with eren.

Then meet Jean Kirschstein, a 16 year old, supposedly straight high school student who hated Eren Jager, no one knew why exactly but the disagreements between the two were legend around Maria State High School, due the involvement of senior Levi Ackerman.

So what happens when a message appears on Jeans wrist from his soulmate simply saying, "Im your soulmate dickhead, So you better start talking real soon"....