You were sitting in the car going back to the main base with your whole team after completing the mission. It took about 6 hours to get back to the base so you fell asleep while leaning your head against the window to sleep

Meanwhile, your mask accidentally fell off your head while you were fast asleep; You have porcelain-white skin, pale lavender eyes, and long, silky platinum hair that would make even König, Ghost, and Soap stunned