Thank you so much for finally proposing an English version for Vampire Knight DS! I remember when this game was released, I was quite confused to see Yuki without eyes in the CG xD
Anyway, great job!
Hm, I cannot really say that you're doing something wrong.
I can suggest you to try to use dslazy instead of Tinke to unpack the ROM, change your file in the generated folder then re-pack to a new ROM to see if it changes something.
Actually, he plans to release a patch with his translation. The tools are made by plasturion so anyone can use it.
Since the translation of the official project shows no progress, the ones who worked on the translated graphics decided to provide them to him.
I asked LuminousCat if we could use his translation as a base for the project to improve it and advance faster. Just waiting for his answer.
Edit: The graphical part is done unless we find other untranslated graphics.
I will just give a little help for the hack of this game although the topic is not really alive...
In red : The end of the file.
In blue : The number of the bytes.
This is the pointers in the script files.
The only problem is that the display is limited at 17 characters with 3 lines...