I Came To Investigate But Now I Can't Stop Cumming! Infiltrating The Rumored Ecstasy Massage Parlor!

"Even though I'm just here to investigate this shop's condition… If you keep rubbing me there, I'm gonna cum…!" At her coworker's order to look into a...slightly fishy salon, investigative journalist Yukari Akizuki goes undercover to review a women's-only esthetician's shop. While surprised that the practitioner is a man, there isn't anything else suspect about the massage or the rest of the staff working there. Just as she begins to lower her guard, and even start to doubt her coworker's suspicions, the esthetician's hands start getting a little more handsy…?! "This spot is pretty stiff too. We need to massage you here thoroughly." Having all her most sensitive places played with, to even being stroked inside, her head goes totally blank!—I'm going to expose this shop's secret…! But having all my sensitive spots continuously toyed with like this, I can't, I'm gonna…!

(Source: Moestar Beast, translated)

Notes:
- Originally serialized as a web manga under the same name.
- Each chapter is split into 3 episodes on mobile reading platforms.