Hermione starts to climb above them and Draco casts a lumos. Once Harry steps inside, the blond calls down to close the door. He does, and Hermione sees why he cast a lumos, it’s pitch black beside from Draco’s wand-light. They climb up silently, a few steps until the space opens up around them and Hermione finds him waiting for her, smiling shyly and guilelessly. 