"The Dick with Implants? Or the Pleasure Max Cocksleeve?"
"Which one do you want to get fucked by?"

Shiomi Rinka works for a Beauty Technology company.
She has all the motivation in the world, but she's hit a rough patch at work and is exiled to a mysterious department, infamously known as the The Secret R&D Department, AKA the "Constructive Dismissal Department from Hell." She is greeted by two eccentric men. But she quickly learns that they aren't developing beauty products... .
"We just want to see you... feel really good."

Shiomi Rinka was always unable to feel pleasure... or so she thought. With the pretense of "product testing," her body thoroughly learns the peaks of earth-shattering orgasms! Loving to see her writhe in pleasure, the two men gradually escalate their "testing" step by step...

Official Translations:
English, S.Chinese, T.Chinese, Korean