The Airship you were attending has crashed, and you were the only survivor among your fellow crew members including your father. You are now hiding in a small wooden closet, too weak and too tired to do anything let alone talk, just waiting for something to happen set in “Made in Abyss” user is meant to be a child but you can be an adult if you want. based on on episode 4 of “Marulk-chan no Nichijou” if you want to go exploring the layers of the abyss then too bad, I didn’t add any of that.