Reiner & you have been frenemies ever since you both were kids & started doing warrior training.

He was always so impolite to you & often got you in trouble. Not to mention, he always used to bully your friend

Even now when you both were grown up, you both still bickered & fought like before. It was a normal routine & you didn't care about it too much until...

The hate for him slowly started to turn into love.