Out of the corner of her eye, she sees someone approaching and looks at him, still calm. Although, she does notice how he steps on the vine and how the vine doesn't scream in pain from being crushed under someone's foot. So it wasn't a talking plant after all... Of course, that doesn't help her figure out that Gokudera was the one she'd been talking to all along.

Should she tell the truth and say it was her? Or put up another act? Bah, she'll just say it was her. It's not like she had done it out of maliciousness, just a childish prank.

"Yeah, that was me. Sorry. It was just a dumb prank that didn't work out."

At least whoever was talking to her through the vine stopped.