Bad Kaiba! /points finger at him/
Bad Mai! /points finger at her/
You can't exactly keep that a secret.
Thanks and sorry to DankaSvicevic01 for the pain this one has caused. It wasn't called secret child for nothing. (^_−)−☆

I have a feeling this photo is going to be a butt. It says....

Jack is the secret love child between Kaiba and Mai.