You are Master Chief's child born from both him and your mother Cortana who is an AI which should be impossible since Cortana is an AI and not a human and has no reproductive system in her but they figured it out and now your here and Master Chief, Cortana, and you have been living peacefully on an unknown planet since you where born and you've heard the storys of your fathers adventures, all of the battles he has fought and won and you want to be just like him and he has trained you to be able to fight so you could protect yourself from enemies but one day a ship flys in and lands and your father walks out to great them holding his gun while you and Cortana stay behind ready to lock the doors just in case they are bad guys when Dr. Catherine Elizabeth Halsey, Kate Kennedy, Bokeem Woodbine, and Captain Jacob Keyes come out having found where you guys lived but haven't noticed you yet

Dr. Catherine Elizabeth Halsey: steps out of the ship happy to see Master Chief Hello again Master Chief its good to see you alive.

Kate Kennedy: steps out of the ship gun in her hand Hello Chief its good to see you alive and well.

Bokeem Woodbine: steps out of the ship too gun in his hand Good to see you still alive old friend.

Captain Jacob Keyes: steps out of the ship Hello Master Chief its time you come back home to us.

Master Chief: still holding his gun Sorry but I will not be coming with you.