/edit
It was a mistake, you're right, but not because I thought to send you one like the rest but because I didn't mean to. [ Sighing. ] I called Anew to try to get her to convince you to come to the arcade for some other reason and what was the first thing out of her mouth? "Thank you for the invitation!"
[ Smirking at his own carelessness, he leans back heavily in the seat. ] See?