NTR Girlfriend Fullstack

In NTR Girlfriend Fullstack, players assume the role of a new employee, working alongside their girlfriend at the same company. However, due to their position, they must watch their girlfriend flirt with others. As the game unfolds, players will encounter diverse events and make their own choices, which will determine whether their girlfriend will distance herself from them or even betray them. The game is under continuous development and updates, with enhanced graphics, more interesting plots, and more characters to come. Players can look forward to it.

Features:

Roles That Define the Divide: You’re the new hire, stuck fetching coffee, fixing printers, and filing reports while your girlfriend, Mia—a star full-stack engineer—commands the dev team. Her days are spent debugging with colleagues, brainstorming with senior devs, and laughing at inside jokes you’re not part of. The office becomes a stage where every interaction feels like a quiet erasure of “us.”  

The Senior Developer’s Charm: Enter Alex, the senior dev with a quick wit, a knack for solving crises, and a habit of lingering near Mia’s desk. He remembers her favorite latte order, praises her code in team meetings, and offers to stay late to “tweak that last feature.” To the untrained eye, he’s just helpful. To you, he’s a shadow inching closer.  

Daily Life as a Frontrow Seat: The game grounds you in routine: morning commutes where Mia texts you “busy today,” lunch breaks where she eats with Alex instead of you, and late nights when her desk light stays on… with his jacket slung over her chair. These small moments build a suffocating tension—proof that distance grows in the spaces between “I love you” and “see you tomorrow.”  

The Slow Burn of Resentment: It starts with a pang when Mia laughs at Alex’s joke. Then a knot in your stomach when she cancels dinner plans “because the server crashed.” By the time she admits, “He gets me,” the anger curdles into something darker: Did I ever really know her? The game doesn’t shy from ugly emotions—you’ll grapple with insecurity, betrayal, and the gnawing question: Is this my fault?  

Mia’s Perspective, Unfiltered: Through emails, overheard calls, and late-night confessions, you see Mia’s side. She admires Alex’s expertise, values his mentorship, and craves the intellectual spark he ignites. It’s not malice—it’s attraction, born from shared passion. This nuance makes the NTR angle feel human, not cruel: it’s a relationship fracturing under the weight of unspoken needs.  

Changelog:

0.4.2

Revamped UI – Sleeker, smoother, and easier to navigate!

AutoSave Feature – Your progress is now safe, no more lost runs!

Chapter Selection – Jump back into your favorite parts anytime.

New Images & Videos – More visuals to bring the story to life!

0.3.1

Hopefully this makes things less fugly

Changed the resolution to from 16:9 to 20:9 to better support android phones.

Let me know if this helps / hurts the graphics. I don't have a device to test and only using emulator and it still looks weird.

Added Text Speed and Text Sliders so you can change them based on your preferences.

Will start working on the next part of the story now as long as no other major problems shows up.

Thanks for your support and interest! As always let me know if there's any problems!

Reviews:

I sure opt for different routes, I love ntr, but I also love to go sharing path and on sad days i love to choose a more softer vanilla path with gf being more daring towards bf, like outdoor sex or more kinky stuff, like exhibisionism where she walks around slutty and have hot sex with her bf. Liniar kinetic stories often tend to get boring after awhile as you can just do so much in corrupting another guys gf that it become more and more boring if the same happens over and over.

I like the theme of the NTR phone games my biggest thing is they are all AI and usually don't have animations. Like I want the MC getting texts or snapchats of an animation of her getting a blowjob or sex, something but its just all AI Pictures and that gets boring. Although AI generated this one at least has some animations? Haven't tried yet.

I find that the game is very good especially graphically, it really lacks content for the moment, if the game evolves well I could subscribe, like other people I wait a little before because, I already have other subscriptions, so I am a little demanding in terms of content. The only criticism that I can make for the moment is that the text at normal speed goes too fast especially during photos and the rise of the text towards the top with the mouse wheel is too slow. Otherwise I find the beginning very promising. Last point a manual save would be good when making choices to be able to return in case of bad choices.

Final Thoughts:

You thought working at the same company as your girlfriend would keep you close. But now, you’re just the office assistant, watching from the sidelines as she works closely with a smooth-talking senior developer.In this story-driven NTR/NTS experience, you play as the boyfriend — a newcomer in the company, stuck doing menial tasks while your girlfriend, a talented full-stack engineer, begins to drift away.