Resized to 68% of original (view original)
Artist's commentary
Delinquent Gang Sex
It's been a while, hasn't it. A long one. With some messy sketches this pair gets along (R18) right away. I used references for the poses. ※I drew this late at night and I don't know if my brain wasn't working or what, but "代けやがって" is wrong, it should be "付(つ)けやがって"... That's an elementary level mistake, and this is the second time...
Talking about a mispelling in one of the images in the pixiv set. The kanji look similar, but their meanings are quite different.