@Giyu gf mi eum's dad was paid to kill youngjitae by a powerful individual. Mi eum saved him and got injured in the process, which is why his memory is fûcked and there's a big scar on the back of his neck. That's p much it, although the chapter before this one gets into who it was that paid mi eum's dad to kill young jitae.
check out my 19 days fanfic on ao3 :)
