Hermione couldn't open it. A letter, it seemed so innocent and ordinary. But Hermione knew inside that envelope a trap of some kind was waiting for her. Why else would she be receiving mail from Fred Weasley?
She stared at it for a few minutes more before deciding that it wouldn't bite her if she at least picked it up.
She ran her fingers over the seal that she knew his hands had traveled over only hours before. She slit open the envelope to find a short note inside.
Hermione, I was wondering if maybe you wanted to go to dinner with me?