Oh right, I forgot that! Hum…
Ok, looking at it again, She told him she could rewind time, nothing more, he didn’t know how. So that could still work…
but also, I had forgotten how supportive he was to her… unless he believed that she would not be able to win against him, even with time travel… but that does makes it very unlikely. Damn. And I was so certain of my theory. XD
… Now I’m back to multiple very weak possibilities… Brother (still unable to completely drop it), hacker girl (… I did say weak), and finally, the cheapest one, someone still unrevealed.