I Know Where Babies Come From, Derek #1 by DiscontentedWinter

I Know Where Babies Come From, Derek - DiscontentedWinter
Wow, sobbed to this one. Starts off all sweet baby blah-de-blah but then it rips your heart out. Just brilliant!
Art by oneterriblet
description
'When she’s old enough to understand, they’ll tell Claude. They’ll make sure she knows that she was so loved he tore holes in the universe to save her. And maybe Stiles and Derek can’t do that, but they can love her just as much.'
Source: http://archiveofourown.org/works/3377438?view_full_work=true