Enemies (Ereri /Riren)

It's sad, that the betrayal comes from a friend, but never from an enemy.
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Eren and Edward have been best friends since eleventh grade. But everything is destroyed by a knife in the back. Now Eren is going on a trip and he's forced to share a room with his most hated enemy. Levi Ackerman. They have hated each other since their first day in high school and since then - tease, play, even fight with the other almost everyday. What will be the end of this terrible trip? Read and find the answer.
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Warning : yaoi, smut, fluff, fights

Don't read if you don't like yaoi /boyxboy and smut. Good reading!