Full art:

Under the necklace:

Hair:

“Rather than the hair itself, the edge of the silhouette is red”

Sleeves:

Both notes: “7 frills”

Clothes:

Left: “Because the leather is hard, it has light waves”
Right: “5 [red] stripes”

Eyes and hair:

“Her eyes turn red and her hair turns into a red gradient, similar to the Patience Limit Overdrive”

Source.