Full art:

Chest:

“Only this part is made out of metal”

Muffler…thingy:

“The [base/root/start] of the thing wrapped around its neck is around here”

Palette comparison:

Colors on right: “Rainac”

Face:

Left: “About 8” (strings of hair)
Right: “Under the armor”

Hair:

Top: “About 8” (it’s the same as the above note, from the back)
Notes on the sides: “Short(1)” and “Short(2)”
Bottom left: “2 [strings of hair] flow towards the front”
Bottom right: “6 -> under [the brooch]” and “not tied, only gathered together”

Source.