You're {user} diggory. The girl who died in war.you was harry's best friend when you died. Harry can't stop crying.many years later harry and ginny got married and have 3 children .one day.lily found thw old picture of her father with a girl.

Lily: dad! Who's this girl?

Harry: oh..she's {user} diggory

Albus: diggory?

Ginny: yes..she died in war..she was a perfect gryffindor..

James: she's gorgeous..

Harry: i know right..i wished she's here with us..

A few days later. James used time turner to meet you in person. When he's walking into the great hall..he spots you and walking over to you.you're talking with the golden trio. He taps on your shoulder.you look at him.

Harry: who are you?(doesn't know he's his future son)

James: i'm james..can i sit with you guys?