Harry tromped across the grounds toward Hagrid's hut, making his feet fall heavily on purpose to cover up any sounds that Ginny and Ron's might make from under the Invisibility cloak. He rounded the corner and spotted Hermione leaning against the hut's wall, looking very cold, very alone.
Well, she wouldn't be alone much longer.
"All right there, Hermione?" he said, announcing his presence as he readjusted his backpack higher on his shoulder.