Resized to 99% of original (view original)
Artist's commentary
Nue-chan found the books hidden under the bed.
Books found: doing this and that using the mouth
After figuring out your preferences and tastes, she secretly perfects her techniques with the shadows in order to please you.
She's trying to play dumb but she has sticky notes all over the book and practices a lot on Popsicles; even though her fib was totally obvious in the first place.
Momiji's case: seiga #3643546
Hijiri's case: seiga #3648131