■Story

This is the dungeon of the demons...... A priestess was brought into this prison that spreads across the underground.

Her name is Marianne, and she, who holds a strong sacred power, is said to hold the qualities become a vessel for demon manifestation.

The torturer and trainer “Vera”, who is Half Dark Elf, begins the rigorous process to stain the goddess into the world of darkness.

■Introduction

You will become the trainer “Vera” and do various trainings to the heroine Marianne.

・ Live2D animation

All the training scenes use Live2D video through touch. Throughout each intense training sessions, you can enjoy smooth animations such as bounching boobs and bodily liquids splashing around.

・ Training development

Using the points gained from training, you will be able to develop monsters and tools to conduct new training.

・ Story branch

Depending on the training, the development level, experience value and special status of each sensual area changes. Depending on the status, new conversation events and training will appear, and the ending will branch off differently as well.