Osomatsu-san Yokubari! NEET Island Models (iOS) (.kpk)

[sencha]

Hello, I'm trying to extract 3D models from .kpk files. I think the .kpk files are Little Endian; the header structure seems to be:

• File Type (KPKy)
• File Count
• null
• Offsets
• ???? (I'm not sure about the rest...maybe sizes?)

The models seem to be Collada files. Help with a script would be much appreciated!

Samples:
https://drive.google.com/open?id=1ka9P3jChdNuTNq6ybuPtqqdxaeiRePmT (little file)
https://drive.google.com/open?id=1hgAGlBxgk1JfLz8BPc9GcErOcwk1h0Iv (slightly bigger file)