A control bondage of the heroine fighting, stealth, adventure game.
Background: During an expedition, the heroine acquires a treasure called "Rope Sprite," which binds to her owner and provides her with energy. In order to unlock the secret of the treasure, the heroine launches a new adventure one after another.

A simple puzzle game with over 50 jigsaws to solve and many girls to undress!​

In Private Mentor, you play as a young man named Akazawa (with the first name of your choice) that wants to uncover the truth of the prestigious Academy nearby. To achieve his goal, he promotes himself as a private teacher. This private establishment will be the main focus, and the students, their parents, teachers, and other employees the actors of this play. Unfortunately, the Sandford Academy isn't that easy to target ...

This is the official demo version of the new project (title is not definitive). It features an extension to the tech demo where you'll start to explore the manor and the secrets of the adventurer girl. A guy is hired by her to help in the quest to find an ancient artifact. However, things will get twisted as he learns her secrets and receives another mysterious offer.

CA continues the further adventures of the main character from Sister, Sister, Sister, named and controlled by you, as he attends college and interacts with his professors as well as his fellow classmates and their friends and family.​