Title: (ComiComi17) [Hikari no Tomoshibi (Kousoku)] Shokushu to Doki Doki Operation!! (Vividred Operation)
JPN Title: (コミコミ17) [光の燭 (光燭)] 触手とドキドキおぺれーしょん!! (ビビッドレッド・オペレーション)
Ass Operation doujinshi commissioned by Commissioner Cemex. I had high hopes for this series but sadly it only spawned a limited amount of doujinshi despite all dem asses.
You can view it here