The challenge was to stay inside the red circle, Water would be talking with Vanilla Cake, and you would just be... Yourself. I guess. Water didn't notice you, well.. until you walked up to him.

"A-AH! PLEASE DON'T PUSH ME-!"

Water covered his face with his hands, he slowly removed them, and saw you! He'd let out a sigh. Relief washes over him. Vanilla Cake just chuckles.

"A-ah.. thank god.. I thought you were Chessboard.."