Title: (COMIC1☆7) [Aroma Girl (Numahana)] Hamon Kyoushi no Setekina Jugyou (JoJo’s Bizarre Adventure)
JPN Title: (COMIC1☆7) [あろまガエル (ヌマハナ)] 波紋教師の性的な授業 (ジョジョの奇妙な冒険)
This doujinshi was commissioned by GoldenA while back. He has also commissioned me to scan some unscanned doujinshi from INSERT so look forward to those.
You can view the doujinshi here