The Beginning

Katsuki and Eren have known each other since childhood, and things between them were always complicated. In fact, they were more like rivals/enemies then friends. 5 years later when Katsuki comes to Eldia and visit, He runs into Eren again; But for some reason, his feelings towards Eren began to change. What could it be? How will things go for both Katsuki and Eren? Will they finally get along with each other and become friends (maybe possible lovers)? Or will they continue to hate each other and stay enemies?