I wouldn't kill you for that. [Hello surprise!Rider. Standing right behind Waver, yes she has been listening this entire time.]

M-Rider! I've been looking for you!

[Even if she was annoyed at their conversing behind her back, she showed no signs of it. Gabumon was just relieved to find her safe and safe.] My time in the Grail War, my identity is already known to those in participation. Your knowledge of it would change nothing. [Does that mean she's flat out telling? No. Not at all.]