[Game overview]

Game features
This is a 3D simulation game where you experience the story of a girlfriend being cuckolded by her grandpa.

There are scenes (1) to (4),
Scene (1) (conversation scene) → Scene (2) (play scene) → Scene (3) (conversation scene) → Scene (4) (play scene)
The story unfolds in order.

In the play scene, it is possible to switch positions, change hairstyles and viewpoints, and automatically play actions.

the charm of the game
After introducing her to her grandpa, she was cuckolded [Re:eRo]
Move around in 3D view
Appreciate the action from various angles!!!

When I introduced her to Grandpa, she was taken down [Re: eRo]
3D view with one button
It is possible to change to the viewpoint from the cuckold side!!!

When I introduced her to Grandpa, about her cuckold [Re:eRo]
There are 4 stages of motion: pre-movement → insertion → ejaculation → withdrawal
Enjoy seamlessly!!!
(* Some motions have 1 to 3 stages)

When I introduced her to Grandpa, about her cuckold [Re:eRo]
Even if you don't touch it at all, your actions
An autoplay mode is also implemented!
Supports random playback and repeat playback!!!

characters & voice
When I introduced her to Grandpa, about her cuckold [Re:eRo]
Protagonist Ryo
(CV: None)

Girlfriend Miho
(CV: Yuu Nagimo [Twitter: @seven_ven7])

grandpa
(CV: Shirubina-sama)

Operating environment and trial version
【Operating environment】
Since it will be a 3D animation, there is a possibility that the operation will be slow depending on the specifications of your device.
Playing on an Android device tends to be slow, so please be sure to check the operation with the trial version.
(Android version is 9.0 or higher)

【trial version】
It is possible to advance to scene (2).
In addition, there are restrictions on unlocking elements and setting items.