Venus knows what the movement, the flash of black hair she can see from the corner of her eyes is, without actually having to think about it - it came from the direction of the cafe, and unless someone's come in through a window, only Kankri is over there. Furthermore, she knows he hasn't been sleeping well, and is surprised he stayed down and still as long as he did. Irritation flashes over her face that he didn't stay put, but she doesn't say any of that out loud.

Just like that, Venus moves to place herself between Joel and Kankri, protecting him with her body. It means a step forward, within range if Joel wants to take a swing at her. "He's with me. I told you it was secure, I didn't tell you I was alone."

She dares Joel with her eyes to challenge her on that fact, before calling over her shoulder, "come on out, kiddo."