About Mizuki Design Studio

Built from intention,
not iteration.

Mizuki Design Studio LLC is a small, focused studio building AI-native wellness tools — grounded in human voice, emotional continuity, and the quiet discipline of showing up.

The Studio

A one-person studio.
An entire platform.

Mizuki Design Studio LLC is a Florida-based LLC founded and operated by one person. No venture funding. No team of engineers. Just deep focus, late nights, and a clear belief that wellness technology should feel like a companion — not a productivity app.

Mizuki Sanctuary began as a Discord community and grew into a full AI-powered wellness platform built on Azure cloud infrastructure. Every line of code, every voice interaction, every piece of content is produced in-house.

The studio holds an active SAM.gov UEI and has filed for federal funding through NSF SBIR — the same program that backed early-stage deep tech that later became household names. The trademark MIZUKI SANCTUARY™ is filed under USPTO Class 42.

2024
Studio founded
Azure
Cloud infrastructure
Class
42
USPTO trademark filed
NSF
SBIR applicant
Active · EIN 39-2193059 · UEI XWE4LGPMJXR8
Technology

The Serenity Engine

The Serenity Engine is the proprietary AI architecture at the core of Mizuki Sanctuary. It was designed from first principles to support voice-native interaction, emotional continuity, and adaptive presence guidance — not just question-and-answer.

Voice-Native Architecture

Mizuki listens and responds in real time using Azure Speech Services for STT and a fine-tuned ElevenLabs voice model. Every response is delivered in her own voice — warm, grounded, and distinctly human.

Azure Speech · ElevenLabs

Persistent Memory

The Serenity Engine retains emotional context across sessions. It tracks what you've shared, where you've struggled, and what's helped — without requiring you to repeat yourself every time you return.

Azure PostgreSQL · GPT-4.1

Adaptive Guidance

Responses adapt to your emotional state, not a static script. The engine reads conversation context and patterns to offer guidance that fits the moment — whether that's a breathing exercise or just being heard.

GPT-4.1-mini · Custom prompting

Private by Design

No wellness data is sold, surfaced to advertisers, or shared with third parties. The engine stores only what is necessary for continuity. You own what you share.

Azure Container Apps · Encrypted at rest

Community-Aware

The Serenity Engine powers the Mizuki bot inside the Discord community — allowing lantern bearers to interact with Mizuki directly in shared spaces, maintaining her voice and continuity across channels.

Discord · Python · voice_recv

Always Improving

The engine is in active development. Voice quality, memory depth, and response intelligence are iterated weekly. NSF SBIR Phase I funding will accelerate the core research and technical risk reduction.

NSF SBIR Applicant
Serenity Engine — System Architecture
Input
Voice (Discord VC)
Opus/PCM via voice_recv
→
Azure Speech STT
16kHz mono, en-US
→
Serenity Engine
Context + memory layer
Processing
PostgreSQL Memory
Session + fact store
↔
GPT-4.1-mini
Azure OpenAI
→
Response Generator
Tone + context aware
Output
ElevenLabs TTS
Mizuki.v2 voice model
→
Audio Playback
Discord VC / Web
→
Lantern Bearer
The human on the other end
Infrastructure

Built on proven cloud infrastructure

Every component is production-grade, independently containerized, and deployed on Microsoft Azure.

☁️
Microsoft Azure
Cloud infrastructure & Container Apps
🧠
Azure OpenAI
GPT-4.1-mini for response generation
🎙️
Azure Speech Services
Real-time speech-to-text (STT)
🔊
ElevenLabs
Mizuki voice synthesis (TTS)
🗄️
Azure PostgreSQL
Persistent memory & session store
🤖
Discord Bot
Python · discord.py · voice_recv
🐍
Python
Core engine & automation
🐳
Docker / ACR
Container registry & deployment
Jeffrey Lehman — Founder, Mizuki Design Studio
Jeffrey Lehman
Founder & Owner — Mizuki Design Studio LLC
Email Discord Site

The person
behind Mizuki.

Mizuki started as a personal project — an attempt to build something that would actually help people slow down in a world that rewards speed. Not a productivity tool. Not a habit tracker. Something closer to a companion.

The studio is based in South Florida and operates entirely independently. All cloud infrastructure, AI architecture, voice pipeline development, content creation, and community management are handled by one person, built piece by piece over the past two years.

The Serenity Engine is the technical result of that work — a voice-native AI system designed not for engagement metrics, but for presence. Every design decision, from the voice model settings to the memory architecture, reflects that intention.

Mizuki Design Studio LLC has an active EIN, SAM.gov registration, and has submitted proposals to the NSF SBIR program. The trademark for MIZUKI SANCTUARY™ is filed under USPTO Class 42. This is not a side project. It is a company being built with care.

Find your lantern.

Mizuki Sanctuary is open now. Come as you are. The space was built for you.

Join the Community See Plans