Sugar Romance - Orgasms for Escape Game Version 1.00.02 (eng) - Adult Sex Game

Orgasmic energy opens the door
With her memory gone, Ruri wakes up in an underground labyrinth built by a number of investors.
The rooms are separated from each other by a special door that opens with continuous climax energy.

Why was Ruri taken prisoner? What is this facility and who is behind it?
If you can escape to the surface and regain your memory, you may be able to find the answers to these questions.