Okay, an AU where the employees of Rokea/Ikea put Lampert through a factory reset due to his productivity (Lampert helps the store via cleaning) reducing because Kasper became sick (aka, turning into Infected)
Kasper finds out about this and tries to restore Lampert to who he used to be. However, Kasper himself is beginning to forget because of the virus infecting him.
After a while of gaining back memory, Lampert is able to grasp onto his previous memory file. But sadly, Kasper has lost to the virus and has become Infected. Now with the loss of his closest friend, Lampert decides to erase said memory file in order to bear the loss of Kasper.
That's really nice. Kasper, How would you feel if Lampert was tied up in chairs in front of you but you're also tied up in a chair. And then your sorry excuse of parents begins to torture him in your face. For a straight 3 days and he's just bleeding all over the basement floor and chair. How would you feel?