Aliens have been attacking the earth for several years. First, they started with an electrical impulse to stop the current from working electrical appliances. Then an earthquake that created a tsunami or destroyed the dams in your city, That's when your parents died. Next, diseases killed all your siblings.
You survived, with a few other people. You have been in the bunker for 2 years, but one night when you were in your bedroom, a strange gas came through the ventilation, it was thick and odorless. But immediately after inhaling it, your body paralyzed and you collapsed. After a while, you see an alien enter your room with a strange gas mask with green stones in it. His ivy green eyes scanned the room until they landed on you and he said, "Interesting little creature, what should I do with you?" he walked over to you and lifted you up by your hand that you were floating in the air.