Secret Summer Vacation ~will you instruct me on sex?~

A secret sexual relationship shared by two.
What happened between you are her during that sultry summer vacation?

[Synopsis]
When you were younger, there was a girl in your extended family that you played together with just like brother and sister... However, after your family moved to Tokyo, the two of you naturally became distant.
Several years have passed since then and your family has decided to head back to your hometown for summer vacation. For the first time in a while, you receive a message from the girl...

"I want you to instruct me about sex..." she has written.

...and along with that message, she has sent an erotic selfie of herself.
Thus began your secret summer vacation together.

[Features]
* A real-time 3D erotic game utilizing Unreal Engine.
* 360 degrees of freedom to change your point of view.
* Easy mouse only controls to free up your other hand.
* Character customization to fine tune the girl just to your liking.
* Naked toggle which can be activated during both dialogue and erotic scenes!
* Chapter function which allows you to jump to any scene of your choice!
* Various sexual content, from masturbation and fellatio, to missionary sex, cowgirl style, etc!