Synopsis
— Have free conversations with characters using AI (ChatGPT) technology! Create any character personality you want! —
◆ Converse freely with characters using AI (ChatGPT) technology!
1. Speech recognition detects your voice input!
2. OpenAI’s Chat API makes characters respond to what you say!
3. Text-to-speech reads the ChatGPT responses aloud!
Experience natural conversations with characters using cutting-edge technology!
◆ Freely customize character personalities!
Set character personalities (prompts) however you like!
Modify prompts to create your own unique characters!
Multiple default personalities included too—no ChatGPT experience needed!
◆ Set your name and character name freely!
Customize both your name and the character’s name!
Hearing your own name spoken aloud brings immersion to the next level!
◆ Choose character voices freely!
Implements both Google Text-to-Speech and VoiceVox synthesis!
Multiple voice options available for both systems!
Enjoy conversations in your favorite voice!
◆ Full English support! Practice English conversation!
Speech recognition, ChatGPT responses, and text-to-speech all fully support English!
Practice English with your favorite character!
◆ Multiple avatars
3 avatar types available at launch!
More avatars planned with future updates!
Request your desired avatars in the comments—your feedback shapes the game!
・Purchasers must obtain their own OpenAI API key. Search “How to get OpenAI API key” for details.
・VoiceVox text-to-speech supports Japanese only.
When using VoiceVox, you must install and run it separately from this game. Installation available at the official site.
・We recommend testing the trial version (compatibility check version) on your PC before purchase.





Editorial Review
AI Friends positions itself at the intersection of interactive simulation and experimental technology—a conversational sandbox rather than a traditional narrative experience. It’s one of several recent doujin works attempting to leverage ChatGPT integration for character interaction, though the execution here prioritizes accessibility and customization over authored storytelling.
The distinctive appeal lies in its modular approach to character creation. Rather than fixed personalities, users shape conversational partners through prompt engineering, with several presets available for those unfamiliar with ChatGPT mechanics. The voice synthesis layer—offering both Google’s and VoiceVox options—combined with speech recognition input creates a feedback loop closer to actual dialogue than most visual novels achieve. Naming customization for both player and character is a small but effective immersion lever, particularly in the ojou-sama fantasy space where formal address carries weight. The all-ages positioning despite celebrity and idol tags suggests the work is targeting conversational interaction and character roleplay rather than explicit content, which significantly expands its potential audience.
The limitation is architectural: without authored branching or narrative progression, longevity depends entirely on user creativity and the quality of one’s prompts. This isn’t a game with goals or a visual novel with plot—it’s a tool that works as well as the person wielding it. For players accustomed to structured experiences, the blank canvas may feel aimless.
This works best for players who enjoy character design and dialogue simulation on their own terms, particularly those already experimenting with ChatGPT for creative writing. If you’re seeking a self-directed conversational experience with flexible character customization and don’t need narrative scaffolding, the technology integration here is executed competently. For those wanting a traditional interactive experience, look elsewhere.
This Week’s Top Rankings:
Related Tags:
Simulation | Male Audience | Pure Love | all ages | ojou-sama
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