They were roommates

After Billy Hargrove throws out his thieving roommate Billy reveals that he and (Y/N) need a third person to move in to cover the rest of rent. While the list of potentials get shorter and the landlord arranges a visit Billy and (Y/N) become desperate and individually hunt out their best pick for a new roommate. Unfortunately both want a room and one to many people show up on moving day.
Billy Hargrove x Short!Fem!Reader x Steve Harrington x Eddie Munson
Slow burn with smut intended to be in later chapters