"Here shove these fountain pens in her ass!"

"OK!"

-Shove-

"Umf!"

-STAB-

Not often one tags "pen," "pencil" and "penis" all in a row.

Adding 'spanked' tag because of the top left panel.

Well, I guess this explains her aversion to men

the red mask guy is not Nakai?

Corresponding blog post: http://b.dlsite.net/RG03789/archives/1345804.html