Jo hadn't been surprised at the invitation to head out, but seeing another teenager with Ben had caused her to blink in surprise. She'd seen Tandy on the network but didn't know her personally - hell, she didn't even really know Ben - but she didn't mind the group outing.
As she stepped outside, Jo stared down at her clothes as they suddenly changed into something that looked like a mermaid threw up on her, and shook her head before checking for a weapon...which seemed to be a croquet mallet.
"Well, this is different," she commented as she hefted it to test the wait, before grinning a little at Dean's question, even as she pushed aside the slight uneasiness she felt at just how eager he seemed.