I need “Kingsman” fic recs!

Tomorrow I’ll be on the train for some time and I need need need need your “Kingsman” fic recs. Hartwin, Roxlin, just Kingsman without any shipping, … give it all to me please <3

(And does anyone know some kind of Hartwin AU with World War II or something like that? I saw some “King’s Speech”&”Testament Of Youth” mashup videos on Youtube and I can’t get that out of my mind.)