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So Ren really is a complete Bugster, seeing that he seems to be using the Bugvisor I to transform in the previews. Meaning he definitely has some Dating Sim powers that allowed him to capture Poppy. Although how exactly Parad or Ren reset her memory is still a little iffy, unless there actually was a program in KR Chronicle specifically for resetting her memories when she entered it.

Speaking of Poppy, it turns out this entire time, she was yet another one of Dan's backup plans in the form of a spy that could unknowingly (or at least I hope unknowingly) gather data on the CR for him.

That's... Actually another completely perfect explanation, right up alongside the Dan is Genm reveal.

After what happened on the Zero Day, why would the CR let a Bugster just hang out at their main headquarters?
- She was a spy donated to them by their "trustworthy" friend Dan to help fight Bugsters.

Why did Asuna/Poppy seek out Emu to become a rider for the CR?
- Dan wanted Emu to be a rider, so he could get his full revenge on Emu.

How did Genm know the location where Kiriya asked the other riders to meet with him before Genm killed him?
- He could've just logged into Poppy's databanks and found out about it.