The Finer Things [Levi x Reader x Eren]

(Hey guys! This is my first story on Wattpad, hope you all like it!)
This story is named after the band State Champs' Album, The Finer Things. The chapters are tracks from that album: Elevated, Deadly Conversations, Hard to Please, Prepare to Be Noticed, Over the Line, Simple Existence, Remedy, Nothing's Wrong, Mind Bottled, Critical, and Easy Enough. They are a good band and I suggest listening to the songs that correspond with the chapter you are currently reading!
You are a teenage girl who has always had a simple existence, you are aware that not everyone doesn't have it as easy as you so you decide to join the military against your mother's wishes. You learn how much mental and physical pain you must endure to succeed in your one goal: to get home safe. That is, until you meet a few people...