Grandpas's Lesson is a slow-burn NTR Visual Novel focused on gradual corruption, guilt, and forbidden desire.
You thought inviting your aging grandfather, Richard, to stay with you and your fiancée Suzy for a few weeks would be a simple act of kindness. After all, he’s just an old man — strict, traditional, and a little forgetful after his accident.
But Richard is far more than he seems.
Spoiler
Behind his frail appearance and clumsy behavior lies a cunning, dominant man who knows exactly what he wants. With a massive endowment and decades of experience, he begins to slowly, deliberately infiltrate your relationship — exploiting Suzy’s growing sexual frustration and your long work hours.
What starts as innocent "accidents" — lingering hugs, clumsy touches, "therapeutic" massages, and helpful hands — slowly escalates into something much darker and more addictive. Suzy tries desperately to resist, telling herself she’s only being kind, that she’s just helping an old man… but the seed of corruption has already been planted.
Chapter 1 & 2 Redraw
These chapters were completely reworked with improved artwork, scenes, dialogue, and overall presentation, bringing them closer to the quality I want for the entire game.
This is the perfect opportunity to experience the beginning of the story again—or to discover
Grandpa’s Lesson
for the first time.
Chapter 7
New story progression
New scenes and interactions
Additional animations
Visual improvements and polish
Chapter 6
This chapter introduces some important new moments and continues pushing the story forward in a big way. It also includes the new
Jump to Chapter
feature, allowing you to choose which chapter you want to start from.
Chapter 5
This chapter pushes things forward in a meaningful way, with some important developments and moments that start shaping what’s coming next.
If you’ve been following the story, this is definitely one you don’t want to miss.
Chapter 4
beginning of Richard’s plan and starts laying the groundwork for how he intends to slowly corrupt his grandson’s “perfect” fiancée.
Fixes & Improvements:
Fixed an issue where old saves were not working properly
Added a new setting that allows you to adjust the textbox background opacity in the preferences menu
Ch.3
This update is a big step forward in the story, with some important moments and developments that start pushing things in a new direction.
Chapter 2
N/A
Chapter 1
Visual style updated to a more cartoon-oriented direction
Significant overall quality improvements
Cleaner character rendering
Improved lighting and color balance
Better background consistency
UI refinements
General polish and visual adjustments
Demo
Initial Release
zladd2026-07-08★★★★★
Good for what it was which was relatively decent AI graphics with a half decent story, if you're just looking for something to burn pull through that will take you 15 or 20 minutes but isn't too bad this is the thing. Good ntr, multiple perspectives, I was impressed.
Deybigson2026-06-16★★★★★
I loved the game, I loved the conversations, the narrative, the characters. Making the game with AI doesn't take away from the creator's merit, since all the ideas are his; the AI puts them into practice. I'd love to see a game with Master Roshi and the MILFs from Dragon Ball.
Weilibuilt2026-06-03★★★★★
I wasn't expecting a masterpiece but the images are so incredible inconsistent in style, and quality, and there are barely any choices at all. The ones that do exist don't even seem to have any real impact. Save your time. [Ch.7]
BushedBear2026-05-25★★★★★
It's poorly written AI slop to the max but it has decent enough renders (even if very inconsistent) and a seemingly fun premise if it actually lived up to its description (it doesn't). However if you come at it from the perspective of parody it's laughably worth the very quick read that it is so far 7 "chapters" in. Rein in your expectations.
SoaringClouds2026-05-15★★★★★
Really well done story and premise, but I can't give it full 5 stars because of the wife's looks and the completely unnecessary black screens constantly popping. She would be perfect with an ass 10% the size of what's drawn. Imo, it's so exaggerated as to look bad. Like actually makes her look worse instead of just that feature not looking good. If she had normal sized legs and ass, it would be perfect. One other thing that's a little annoying is the lack of action renders. There will be a cum sound effect, then a black screen, then maybe a shot of the wife with cum on her. Sometimes we don't even get that. Instead of going to a black screen, it would be better if there was a still, not even an animation, of showing the cumshot. I can't wrap my head around the choices the dev has made in this regard. The choice to have a huge, exaggerated ass I can kind of understand because some people like that, but to have tons of black screens and no action renders is a weird choice. Other than that, I actually like it a lot.
Warsteel2026-05-01★★★★★
FMC is way too fat. The proportions are ridiculous even by F95 standards. She's also an idiot. The MC isn't the MC... he's barely even in the game at all. It's a kinetic novel basically... no meaningful choices are made, period. Writing is bad, characters are bad, visuals are bad. A total waste of time.
eminemball2026-04-14★★★★★
Obnoxious overuse of AI, the developer doesn't attempt to make interesting looking characters or bother with consistent design. The characters have extreme proportions that just aren't interesting or hot, the penis is 80 inches, the ass is two couches wide, and the heads are way too large even for a cartoonish design.
Fenixster2026-04-14★★★★★
AI is terrible, story generated by AI. Dev use AI for everything, and game dont follow anything revolutionary, you can get better games done by people that put on work not leach on donations. Im not hater of AI as a tool, but this is exampla how to overuse it to make some slop.
VIKINGO MIRON2026-04-05★★★★★
A game that delivers on all fronts without offering anything groundbreaking, a good and morbid story with small but very erotic acts, good animations, good sounds, I love the characters of Richard and Suzie (I'd like to see an image of Ethan appear as a reference), a more than satisfactory story so far, some new characters could be added, perhaps Richard's friends...other depraved old ones, etc.
dagoldwolf2026-03-07★★★★★
Dev used AI to create something quick, lewd, filthy, and utterly un-complex. Totally un-becoming of what AVNs are these days. Just big assess and boobs, and a man being a pervert like some goddamn JAV. Finally, someone who gets it. Take my money.
ChickenBreast2026-03-07★★★★★
more souless ai bs with no love. animation never looks good and it sucks the website is getting overun with all this garbage. i wouldnt be saying anything if it was good. but goddamn im pretty sure they dont even create the dialogue for the game it sounds like Chatgpt writing.
DaaMan2026-02-13★★★★★
It's gonna be good. It's finally something with cheating and another family member lol Plus a good secret between the 2. Something different. Very excited to see what all develops with this game!!!!!!!!!!!
Dsperado2026-01-27★★★★★
v chapter1- They completely changed the grandpa and female model. I'm not sure i like the new models compared to the old, i'll have to dig up the old demo again to compare. This time you can play, but it's still kinetic. Still not a lot of content, so i'll leave my rating the same for now. Very small demo, only like 2-3 mins. The ai renders looked nice, and the 1 animation seemed smooth. Personally i thought the wife would have looked a little better if they didn't go so big on the breast and the butt, she is cute. But i guess they are going for the bimbo look. Since it's a demo i'll rate it average since there is not much meet on the bone yet. Overall think it will be an descent avn, and yes another ntr one. Also since it's a demo not sure if it's kinetic or if there are choices. Good luck dev.