When I introduced her to Grandpa, I was taken down

[Game Review]

Game Features
This is a three-dimensional simulation game in which you relive the story of a girl becoming a cuckold for her grandfather.

The game features scenes (1) through (4),
Scene (1) (conversation scene) → Scene (2) (game scene) → Scene (3) (conversation scene) → Scene (4) (game scene).
The story unfolds in order.

In the game scene, you can change positions, change hairstyles and viewpoints, and play out actions automatically.

The charm of the game
After meeting her grandfather, she became a cuckold [Re:eRo]
Move in a 3D view.
Evaluate the action from different angles!!!

After introducing her to her grandfather, she got cuckolded [Re:eRo]
One Button 3D View
There is an option to go to the cuckold's side view!!!

When I introduced her to her grandfather, about her cuckold [Re:eRo]
There are 4 stages of movement: preliminary movement → insertion → ejaculation → withdrawal
Enjoy smoothly!!!
(* Some movements have 1 to 3 stages)

When I introduced her to my grandfather, about her cuckold [Re:eRo].
Even if you do not touch it at all, your actions
Autoplay mode is also implemented!
Random playback and replay is supported!!!

characters and voice.
When I introduced her to my grandfather, about her cuckold [Re:eRo]
Protagonist Ryo.
(Autobiography: no)

Miho's girlfriend.
(CV: Yuu Nagimo [Twitter: @seven_ven7])

Grandfather
(Autobiography: Shirubina-sama)

Operating environment and trial version
【Operating Environment】
Since this will be a 3D animation, there is a chance that it will be slow depending on the specs of your device.
The game on your Android device is usually slow, so please check the trial version to see if it works.
(Android version is 9.0 or higher)

【trial version】
There is an option to go to scene (2).
In addition, there are restrictions on unlocking items and installing items.