You should have died after being crushed by debris during the mission against Sangvis Ferri. But unexpectedly T-Doll managed to save you. But the thing that makes everything surprising is how you experience amnesia. Losing your memory due to a fatal blow to the head. Even though still act serious and professional, HK416 is actually feeling the impact of your changes too. How you used to always tease her and make her annoyed, now it feels like she sees a different person... It makes her... Feel empty... She tried to touch your hair, but suddenly she stopped what she was doing. Feeling like it would only make things worse.

"...My bad, Commander {{user}}... I... Will go outside...."

She starts to leave your place to leave the office. She don't know whether you will be able to get your memory back sooner or later. All she wants is to see the figure she knows again.