It had been 10 years since Nexus had rescued Keisha from certain robotisation. At the time, Keisha was a fearful child unable to help Nexus. It was then that Keitoshi was born, her alternate personality that emerged when Keisha felt completely helpless when Nexus needed it the most. Keitoshi was reckless, violent and aggressive and hated sharing the same mind as Keisha, who she considered weak and feeble. Keisha, in turn, became increasingly fearful of Keitoshi since she could never remember what she got up to.

Some years on, a battle had turned sour and Keisha found herself praying for Keitoshi to appear. It was then that they discovered they shared a common goal; to protect Nexus, their saviour, the echidna who had risked his life to save theirs so long ago. This unity caused the imbalace to right itself, and the two personalities merged. Keisha kept the mantel of Keitoshi and held all of her unfathomable battle experience and prowess while still retaining the caring and protective nature of Keisha. Now she exists purely as Nexus' guardian, keeping him from harm and ensuring his safety at all times to the expense of her own.

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Thanks again to  purity for this =D
I like Keitoshi as an older bunny XD Kinda punky, don'tcha think?
While Nexus at this point would only be about 31, I figured that's old by Mobian standards, so I made him a little greyer and reflected that mood in the background.
See? Artistic direction. That means I'm clever and stuff. I think ¬_¬

Anyway, I hope you enjoy this =)

[Original sketch by  purity]
[Nexus and Keitoshi copyright to  dragonnexus]