Jay Halstead X Hailey Upton multi-chap | Rated T | Alternate Universe Upstead's journey to Willow, their first child. -features cameos of other One Chicago characters/couples nearly every chapter, especially Kim Burgess, Stella Kidd & Sylvie Brett [originally posted on A03 and ff.net. you can also find this author on tumblr @thedefinitionofendgame or instagram @kais.library]