The Sissy Girlfriend Experiment
The Sissy Girlfriend Experiment is a deeply immersive life simulator you can play instantly in your browser on mobile or PC. The story begins simply with a young man living with his sister, but a fateful encounter with an older woman sparks a complete transformation. Accompanied by a trusted best friend whose gender you choose, you will embark on a journey where every character plays a vital role in your evolving identity.
This HTML-based visual novel stands out by ditching typical stock photos for entirely original, drawn artwork. Progression feels completely natural without ever feeling like a chore or a checklist. It features a neat, functional full-body avatar system that visually tracks your clothing and physical changes right on the beautifully optimized UI, meaning you never have to change pages to see your stats.
The sheer volume of branching paths is absolutely insane, with impactful choices lurking around every corner that dynamically alter your experience. Whether you are managing your daily routine, taking classes, or exploring your deepest desires, the game masterfully balances its life-sim elements with rich, addictive storytelling.
Press Play and start directly in your browser. The Sissy Girlfriend Experiment plays online on mobile and PC, with no download and no sign-up.
About the Developer: Created by jammye.jones - support the developer for updates and more work.
Game Info: HTML adult life simulator | by jammye.jones | Transformation / Sissification / Visual Novel | English.
Updated to 0.14.6 on July 3rd 2026.
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