Those who read Eimii's stories should bear in mind that she 
includes a fairly long SI framing prologue that is not part of the
story.  So if that part turns you off, don't delete, just page down
to the meat.  

I've been waiting a long time for chapter two.  Let's face it, I'm not 
going to live long enough to see this story actually finish, but 
it takes an unexpected turn in Chapter Two as Kuno actually adapts 
pretty well to his sea change.  

in thy presence and thus preserved for mine askance." The boy adjusted 

"asking"

Personally I think Futaba should have just said, "He went thataway". 
Why waste the effort on sucking up?

I take it Kuno turns blonde because Futaba and his Father do?  

"Saotome Ranma!" Her voice growing in volume, the girl raised her head 
to
stare once again stare into his eyes. "There shall be no mercy, no
reprise..."

"no reprieve".  Really at this point Ranma should just tell Kuno what 
Ranma thinks will let him turn back.  

Looking forward to the next chapter with baited breath.  I plan to eat a 
lot of tuna for the next few months.