Hey! Sorry, I realized this puzzle is a bit difficult and unclear. I may fix this later on.
The name 'KHIONE' is the clue here. Basically, you have to turn the letters into numbers.
A = 1 B = 2 and so on.
Most people understood this, but if there are any double integers (like 12) you add them together. (1+2 = 3)
K = 11 so that would be 1+1 = 2.
To make things easier, the code is 289655.