After the battle with Pitch the Guardians return to Norths to find two teenagers their that turn out to be Jacks kids, wondering how Jack became a mother he talks about an incident that happened between Mother Nature and himself. Past Jack/Bunny, Past mpreg. Oneshot?
Takes place during GoF after the 'Potter stinks' pins come out but before the first trial, Snape has been watching Harry and during dinner something finally pushes him to defend the boy in his own way. Drarry
Jack lives with Pitch, the Guardians don't know. After hearing about Sandy's home being an island Jack wants to visit and goes out after curfew, Pitch finds him and so do the Guardians. Overprotective/fatherly Pitch.