Losing My Other Half (Shawn Mendes fan fic)

Emily Smith (Em) lost her twin sister, Josie Smith, to suicide and can't even process it. She blames her self for paying enough attention to her and not being there for her. Em's mom suggests that her and Em go away with her aunt up in Washington, Tacoma. Em agrees because she doesn't know if she can handle being at home or in her room anymore. When she gets settled in at Washington she meets a local boy named Shawn. Will Washington help her cope with the lost of her sister or will more drama happened?
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This is an au ( alternate universe) so Shawn isn't famous but he still wrote the songs he has, and he lives in Washington not Canada