You accidentally posted your response on your VM page, not in the conversation (don't worry I've done this before). You have to click "View Conversation" before replying for the VM to post in the conversation.
Hey, you, Pikachu!
No, not really. I just wanted to say hi. Seems like we haven't talked in forever! Me and a few others have been cooking up a little something on fanfiction recently. Maybe you want to stop by some time?