THS-006 - Aphrodisiacs that reach the nerves! Women who came for a massage get completely drenched in pleasure.

The title totally baited me. Basically, it just means they were drugged with a strong aphrodisiac. I thought Uchimura-san and Ashina-san were incredibly flexible, but then looking at Shinomiya-san's body at the end, I couldn't help but wonder, 'Wait, wasn't there someone else there a second ago?'