Armin X πππππ Y/n.
Where y/n and Eren go to a party and she catches him cheating. Y/n catches him in the act and is heartbroken. His bestfriend Armin finds out what happens and helps y/n out through the breakup.
Fuck you, fuck you -you're cool - fuck you.
Or the story of notorious rich kid Eren Jaeger, and his not so goody-two-shoes best friend.
(Eren x Reader fanfic)